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LU9DCE > ALERT    18.05.25 10:00l 630 Lines 17650 Bytes #295 (0) @ WW
BID : 2998_LU9DCE
Subj: STORM PREDICTION CENTER 18-MAY25
Path: IZ3LSV<IK6IHL<IK7NXU<HB9ON<DK0WUE<PD0LPM<IR0AAB<VK2RZ<LU9DCE
Sent: 250518/0730Z 2998@LU9DCE.TOR.BA.ARG.SOAM LinBPQ6.0.24

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SPC SEVERE THUNDERSTORM WATCH 283

WW 283 SEVERE TSTM AR OK 180250Z - 180900Z
      

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 283
NWS STORM PREDICTION CENTER NORMAN OK
950 PM CDT SAT MAY 17 2025

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
  FAR WESTERN ARKANSAS
  CENTRAL AND EASTERN OKLAHOMA

* EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 950 PM
  UNTIL 400 AM CDT.

* PRIMARY THREATS INCLUDE...
  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
    INCHES IN DIAMETER POSSIBLE
  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
  A TORNADO OR TWO POSSIBLE

SUMMARY...MAINLY ELEVATED THUNDERSTORMS SHOULD CONTINUE TO POSE A
THREAT FOR LARGE HAIL THIS EVENING INTO THE EARLY OVERNIGHT HOURS.
THE LARGEST HAILSTONES MAY REACH UP TO 1-2 INCHES IN DIAMETER. THERE
IS ALSO SOME CHANCE FOR A CLUSTER OF THUNDERSTORMS TO FORM OVER THE
NEXT FEW HOURS. IF THIS OCCURS, THEN THE THREAT FOR SEVERE/DAMAGING
WINDS WOULD INCREASE AS WELL.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES NORTHWEST OF
CHICKASHA OK TO 5 MILES EAST SOUTHEAST OF FORT SMITH AR. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU3).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 279...WW 280...WW
281...WW 282...

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO
2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR
28035.

...GLEASON

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SPC SEVERE THUNDERSTORM WATCH 282

WW 282 SEVERE TSTM AR LA OK TX 180045Z - 180700Z
      

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 282
NWS STORM PREDICTION CENTER NORMAN OK
745 PM CDT SAT MAY 17 2025

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
  SOUTHWEST AND SOUTH-CENTRAL ARKANSAS
  NORTHERN LOUISIANA
  FAR SOUTHEAST OKLAHOMA
  NORTHEAST TEXAS

* EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 745 PM
  UNTIL 200 AM CDT.

* PRIMARY THREATS INCLUDE...
  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5
    INCHES IN DIAMETER POSSIBLE
  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
  A TORNADO OR TWO POSSIBLE

SUMMARY...MULTIPLE CLUSTERS AND SUPERCELLS SHOULD SPREAD GENERALLY
EASTWARD THIS EVENING AND OVERNIGHT WHILE POSING A THREAT FOR BOTH
LARGE HAIL AROUND 1.5-2.5 INCHES IN DIAMETER AND SEVERE/DAMAGING
WINDS UP TO 60-70 MPH. A TORNADO OR TWO MAY ALSO OCCUR.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 65 MILES NORTH
NORTHWEST OF LONGVIEW TX TO 30 MILES NORTH OF MONROE LA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU2).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 278...WW 279...WW
280...WW 281...

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO
2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR
27035.

...GLEASON

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SPC SEVERE THUNDERSTORM WATCH 280

WW 280 SEVERE TSTM TX 171955Z - 180300Z
      

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 280
NWS STORM PREDICTION CENTER NORMAN OK
255 PM CDT SAT MAY 17 2025

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
  WEST-CENTRAL TEXAS

* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 255 PM UNTIL
  1000 PM CDT.

* PRIMARY THREATS INCLUDE...
  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 3
    INCHES IN DIAMETER LIKELY
  SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY

SUMMARY...THUNDERSTORMS WILL AFFECT THE WATCH AREA THROUGH THE
AFTERNOON AND EARLY EVENING.  VERY UNSTABLE CONDITIONS WILL PROMOTE
A RISK OF LARGE HAIL AND DAMAGING WINDS IN THE STRONGEST STORMS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75
STATUTE MILES EAST AND WEST OF A LINE FROM 10 MILES SOUTHWEST OF DEL
RIO TX TO 45 MILES NORTHWEST OF TEMPLE TX. FOR A COMPLETE DEPICTION
OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS
WOU0).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 277...WW 278...WW 279...

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO
3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR
25025.

...HART

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SPC SEVERE THUNDERSTORM WATCH 283 STATUS REPORTS

WW 0283 STATUS UPDATES
      

STATUS REPORT ON WW 283

THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.

..BROYLES..05/18/25

ATTN...WFO...TSA...OUN...

STATUS REPORT FOR WS 283 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

ARC033-131-143-180440-

AR 
.    ARKANSAS COUNTIES INCLUDED ARE

CRAWFORD             SEBASTIAN           WASHINGTON          

OKC001-011-015-017-021-027-037-047-051-061-063-073-077-079-081-
083-087-091-093-101-103-107-109-111-117-119-121-125-127-133-135-
143-145-180440-

OK 
.    OKLAHOMA COUNTIES INCLUDED ARE

ADAIR                BLAINE              CADDO               
CANADIAN             CHEROKEE            CLEVELAND           
CREEK                GARFIELD            GRADY               
HASKELL              HUGHES              KINGFISHER          
LATIMER              LE FLORE            LINCOLN             
LOGAN                MCCLAIN             MCINTOSH            
MAJOR                MUSKOGEE            NOBLE               
OKFUSKEE             OKLAHOMA            OKMULGEE            
PAWNEE               PAYNE               PITTSBURG           
POTTAWATOMIE         PUSHMATAHA          SEMINOLE            
SEQUOYAH             TULSA               WAGONER             

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SPC SEVERE THUNDERSTORM WATCH 282 STATUS REPORTS

WW 0282 STATUS UPDATES
      

STATUS REPORT ON WW 282

SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NE PRX TO
30 N SHV TO 20 NNE MLU.

..BROYLES..05/18/25

ATTN...WFO...LZK...SHV...

STATUS REPORT FOR WS 282 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

ARC011-013-019-025-027-039-051-053-057-059-061-073-081-091-097-
099-103-109-113-127-133-139-180440-

AR 
.    ARKANSAS COUNTIES INCLUDED ARE

BRADLEY              CALHOUN             CLARK               
CLEVELAND            COLUMBIA            DALLAS              
GARLAND              GRANT               HEMPSTEAD           
HOT SPRING           HOWARD              LAFAYETTE           
LITTLE RIVER         MILLER              MONTGOMERY          
NEVADA               OUACHITA            PIKE                
POLK                 SCOTT               SEVIER              
UNION                

LAC027-111-180440-

LA 
.    LOUISIANA PARISHES INCLUDED ARE

CLAIBORNE            UNION               

OKC089-180440-

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SPC SEVERE THUNDERSTORM WATCH 281 STATUS REPORTS

WW 0281 STATUS UPDATES
      

STATUS REPORT ON WW 281

SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 75 SSW GWO
TO 25 NNW MLU.

..HALBERT..05/18/25

ATTN...WFO...JAN...LZK...

STATUS REPORT FOR WS 281 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

ARC003-017-041-043-180140-

AR 
.    ARKANSAS COUNTIES INCLUDED ARE

ASHLEY               CHICOT              DESHA               
DREW                 

LAC035-067-123-180140-

LA 
.    LOUISIANA PARISHES INCLUDED ARE

EAST CARROLL         MOREHOUSE           WEST CARROLL        

MSC011-051-053-055-083-125-133-151-163-180140-

MS 
.    MISSISSIPPI COUNTIES INCLUDED ARE

BOLIVAR              HOLMES              HUMPHREYS           
ISSAQUENA            LEFLORE             SHARKEY             
SUNFLOWER            WASHINGTON          YAZOO               

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SPC SEVERE THUNDERSTORM WATCH 280 STATUS REPORTS

WW 0280 STATUS UPDATES
      

STATUS REPORT ON WW 280

THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.

FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 0846

..HALBERT..05/17/25

ATTN...WFO...EWX...SJT...

STATUS REPORT FOR WS 280 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

TXC019-049-053-137-171-265-267-271-299-307-319-323-327-385-411-
435-463-465-180040-

TX 
.    TEXAS COUNTIES INCLUDED ARE

BANDERA              BROWN               BURNET              
EDWARDS              GILLESPIE           KERR                
KIMBLE               KINNEY              LLANO               
MCCULLOCH            MASON               MAVERICK            
MENARD               REAL                SAN SABA            
SUTTON               UVALDE              VAL VERDE           

THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY.  PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.

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SPC TORNADO WATCH 279 STATUS REPORTS

WW 0279 STATUS UPDATES
      

STATUS REPORT ON WW 279

SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 ESE SPS
TO 5 NNW CDS.

..HALBERT..05/18/25

ATTN...WFO...OUN...TSA...

STATUS REPORT FOR WT 279 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

OKC005-009-011-013-015-017-019-023-027-029-031-033-039-043-045-
049-051-055-057-063-065-067-069-073-075-077-081-083-085-087-095-
099-107-109-121-123-125-127-129-133-137-141-149-180140-

OK 
.    OKLAHOMA COUNTIES INCLUDED ARE

ATOKA                BECKHAM             BLAINE              
BRYAN                CADDO               CANADIAN            
CARTER               CHOCTAW             CLEVELAND           
COAL                 COMANCHE            COTTON              
CUSTER               DEWEY               ELLIS               
GARVIN               GRADY               GREER               
HARMON               HUGHES              JACKSON             
JEFFERSON            JOHNSTON            KINGFISHER          
KIOWA                LATIMER             LINCOLN             
LOGAN                LOVE                MCCLAIN             
MARSHALL             MURRAY              OKFUSKEE            
OKLAHOMA             PITTSBURG           PONTOTOC            
POTTAWATOMIE         PUSHMATAHA          ROGER MILLS         
SEMINOLE             STEPHENS            TILLMAN             
WASHITA              

THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY.  PLEASE

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SPC SEVERE THUNDERSTORM WATCH 278 STATUS REPORTS

WW 0278 STATUS UPDATES
      

STATUS REPORT ON WW 278

SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 SSW CRS
TO 15 S FTW TO 25 SW ADM.

..HALBERT..05/18/25

ATTN...WFO...FWD...

STATUS REPORT FOR WS 278 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

TXC085-097-113-119-121-139-147-181-213-223-231-257-277-349-379-
397-439-467-180140-

TX 
.    TEXAS COUNTIES INCLUDED ARE

COLLIN               COOKE               DALLAS              
DELTA                DENTON              ELLIS               
FANNIN               GRAYSON             HENDERSON           
HOPKINS              HUNT                KAUFMAN             
LAMAR                NAVARRO             RAINS               
ROCKWALL             TARRANT             VAN ZANDT           

THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY.  PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.

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SPC SEVERE THUNDERSTORM WATCH 277 STATUS REPORTS

WW 0277 STATUS UPDATES
      

STATUS REPORT ON WW 277

SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 SSW ALB
TO 20 SW RUT TO 15 SW LEB TO 40 N BML.

..THORNTON..05/17/25

ATTN...WFO...GYX...ALY...BUF...BGM...BTV...

STATUS REPORT FOR WS 277 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

NHC005-007-009-019-172340-

NH 
.    NEW HAMPSHIRE COUNTIES INCLUDED ARE

CHESHIRE             COOS                GRAFTON             
SULLIVAN             

NYC083-172340-

NY 
.    NEW YORK COUNTIES INCLUDED ARE

RENSSELAER           

VTC003-025-172340-

VT 
.    VERMONT COUNTIES INCLUDED ARE

BENNINGTON           WINDHAM             

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SPC MD 848

MD 0848 CONCERNING SEVERE THUNDERSTORM WATCH 282... FOR ARK-LA-TEX
        

MESOSCALE DISCUSSION 0848
NWS STORM PREDICTION CENTER NORMAN OK
0953 PM CDT SAT MAY 17 2025

AREAS AFFECTED...ARK-LA-TEX

CONCERNING...SEVERE THUNDERSTORM WATCH 282...

VALID 180253Z - 180500Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 282
CONTINUES.

SUMMARY...AN ISOLATED SEVERE THREAT WILL LIKELY CONTINUE ACROSS THE
ARK-LA-TEX OVER THE NEXT FEW HOURS. WIND DAMAGE AND HAIL WILL BE THE
PRIMARY THREATS.

DISCUSSION...A COUPLE OF SEVERE STORMS ARE CURRENTLY ONGOING IN
SOUTHEAST OKLAHOMA, ACCORDING TO MOSAIC RADAR IMAGERY. THE ACTIVITY
IS LOCATED ALONG AND NEAR AN AXIS OF MODERATE INSTABILITY, WHERE
MLCAPE IS ESTIMATED TO BE IN THE 2500 TO 3500 J/KG RANGE, ACCORDING
TO THE RAP. THE CONVECTION IS BEING SUPPORTED BY A SUBTLE SHORTWAVE
TROUGH, EVIDENT ON WATER VAPOR IMAGERY OVER THE ARK-LA-TEX. IN
ADDITION, THE SHREVEPORT WSR-88D VWP HAS 0-6 KM SHEAR NEAR 55 KNOTS.
FORECAST SOUNDINGS LATE THIS EVENING IN THE ARK-LA-TEX HAVE STEEP
LOW TO MID-LEVEL LAPSE RATES SUGGESTING THAT A WIND-DAMAGE THREAT
WILL CONTINUE. HAIL COULD ALSO OCCUR. THE THREAT SHOULD BECOME MORE
ISOLATED WITH TIME AS INSTABILITY GRADUALLY DECREASES, AND AS A WEAK
CAPPING INVERSION INCREASES.

..BROYLES.. 05/18/2025

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...LZK...SHV...TSA...FWD...OUN...

LAT...LON   34349332 33809276 33289287 32999327 32979374 33149447
            33609522 34049562 34509571 34959535 35009479 34699398
            34349332 

MOST PROBABLE PEAK TORNADO INTENSITY...85-115 MPH
MOST PROBABLE PEAK WIND GUST...55-70 MPH
MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN

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SPC MAY 18, 2025 0100 UTC DAY 1 CONVECTIVE OUTLOOK

SPC 0100Z DAY 1 OUTLOOK
      
DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0803 PM CDT SAT MAY 17 2025

VALID 180100Z - 181200Z

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF
THE SOUTHERN PLAINS INTO THE ARKLATEX REGION...

...SUMMARY...
ISOLATED SEVERE THUNDERSTORMS PRODUCING LARGE TO VERY LARGE HAIL,
DAMAGING GUSTS AND A COUPLE OF TORNADOES REMAIN POSSIBLE ACROSS THE
SOUTHERN PLAINS INTO THE ARKLATEX REGION.

...01Z UPDATE...

EARLY-EVENING WATER-VAPOR SUGGESTS A WEAK SHORT-WAVE TROUGH HAS
ADVANCED INTO THE HIGH PLAINS, EXTENDING FROM SOUTHWEST KS INTO THE
EASTERN TX PANHANDLE. THIS FEATURE IS PARTLY RESPONSIBLE FOR DRAWING
RICHER BOUNDARY-LAYER MOISTURE INTO NORTHWEST OK. LATEST SURFACE
ANALYSIS SUGGESTS A WELL-DEFINED WARM FRONT CURRENTLY EXTENDS ACROSS
SOUTH-CENTRAL OK TO NEAR GAG IN ELLIS COUNTY. LOW-LEVEL WARM
ADVECTION IS FOCUSED ALONG/NORTH OF THIS WIND SHIFT, AND SOME
NOCTURNAL INCREASE IN 850MB FLOW COULD AID UPSCALE GROWTH TO ONGOING
CONVECTION OVER THE NORTHEAST TX PANHANDLE. THIS ACTIVITY SHOULD
PROPAGATE DOWNSTREAM WITHIN THE WARM-ADVECTION ZONE, PRIMARILY
ACROSS THE NORTHERN HALF OF OK.

ADDITIONAL STRONG/SEVERE THUNDERSTORM CLUSTERS PERSIST FROM
SOUTHEAST OK INTO NORTHEAST TX. 00Z SOUNDING FROM SHV EXHIBITS A
VERY BUOYANT AIR MASS CHARACTERIZED BY 0-6KM BULK SHEAR ON THE ORDER
OF 45KT. ORGANIZED CONVECTION SHOULD PROPAGATE IN A GENERAL EASTWARD
DIRECTION, ALONG THE WARM ADVECTION CORRIDOR, ACROSS THE ARKLATEX.
HAIL/WIND THREAT CONTINUES.

..DARROW.. 05/18/2025

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