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LU9DCE > ALERT 28.04.25 09:33l 347 Lines 10098 Bytes #275 (0) @ WW
BID : 1235_LU9DCE
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Subj: STORM PREDICTION CENTER 28-APR25
Path: IZ3LSV<I0OJJ<EA2RCF<LU9DCE
Sent: 250428/0730Z 1235@LU9DCE.TOR.BA.ARG.SOAM LinBPQ6.0.24
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PACKET RADIO STATION - BUENOS AIRES (GF05OM)
PHP SCHEDULED NEWSLETTERS (PSN)
COPYRIGHT 2024 - EDUARDO A. CASTILLO
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SPC SEVERE THUNDERSTORM WATCH 179
WW 179 SEVERE TSTM MT ND SD 272235Z - 280600Z
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 179
NWS STORM PREDICTION CENTER NORMAN OK
435 PM MDT SUN APR 27 2025
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHEAST MONTANA
SOUTHWEST NORTH DAKOTA
WESTERN SOUTH DAKOTA
* EFFECTIVE THIS SUNDAY AFTERNOON FROM 435 PM UNTIL MIDNIGHT MDT.
* PRIMARY THREATS INCLUDE...
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE
ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
A TORNADO OR TWO POSSIBLE
SUMMARY...SEVERE STORM DEVELOPMENT IS EXPECTED ACROSS THE REGION
THROUGH THE REMAINDER OF THE AFTERNOON INTO EARLY/MID-EVENING, WITH
LARGE HAIL EXPECTED TO THE MOST PROBABLE RISK, WITH DAMAGING WINDS
AND POSSIBLY SOME/BRIEF TORNADO RISK AS WELL.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80
STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES WEST NORTHWEST
OF BAKER MT TO 35 MILES EAST SOUTHEAST OF RAPID CITY SD. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU9).
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 178...
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 500. MEAN STORM MOTION VECTOR
24025.
...GUYER
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SPC TORNADO WATCH 178
WW 178 TORNADO CO NE SD 272155Z - 280500Z
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 178
NWS STORM PREDICTION CENTER NORMAN OK
355 PM MDT SUN APR 27 2025
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* TORNADO WATCH FOR PORTIONS OF
FAR NORTHEAST COLORADO
WESTERN NEBRASKA
SOUTHWEST SOUTH DAKOTA
* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 355 PM UNTIL
1100 PM MDT.
* PRIMARY THREATS INCLUDE...
A COUPLE TORNADOES POSSIBLE
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 3
INCHES IN DIAMETER POSSIBLE
ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
SUMMARY...SEVERE STORMS INCLUDING SUPERCELLS ARE EXPECTED THIS
EVENING, WITH VERY LARGE HAIL POSSIBLE AS THE MAIN AND INITIAL
HAZARD. TORNADO POTENTIAL IS EXPECTED TO INCREASE TOWARD/AFTER
SUNSET AS ADDITIONAL LOW-LEVEL MOISTENING OCCURS. DAMAGING WINDS ARE
ALSO POSSIBLE.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE MILES
EAST AND WEST OF A LINE FROM 85 MILES NORTHEAST OF CHADRON NE TO 60
MILES WEST SOUTHWEST OF NORTH PLATTE NE. FOR A COMPLETE DEPICTION OF
THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS
WOU8).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.
&&
AVIATION...TORNADOES AND 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 23030.
...GUYER
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SPC SEVERE THUNDERSTORM WATCH 179 STATUS REPORTS
WW 0179 STATUS UPDATES
STATUS REPORT ON WW 179
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 SW RAP TO
40 NNE 4BQ TO 20 NNW BHK.
..SPC..04/28/25
ATTN...WFO...BYZ...BIS...UNR...
STATUS REPORT FOR WS 179
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC011-025-280440-
MT
. MONTANA COUNTIES INCLUDED ARE
CARTER FALLON
NDC001-011-087-280440-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
ADAMS BOWMAN SLOPE
SDC019-033-047-055-063-081-093-103-105-137-280440-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BUTTE CUSTER FALL RIVER
HAAKON HARDING LAWRENCE
MEADE PENNINGTON PERKINS
ZIEBACH
READ MORE
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SPC TORNADO WATCH 178 STATUS REPORTS
WW 0178 STATUS UPDATES
STATUS REPORT ON WW 178
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NNW SNY
TO 20 N AIA TO 10 N CDR.
..SPC..04/28/25
ATTN...WFO...BOU...LBF...CYS...UNR...
STATUS REPORT FOR WT 178
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC115-280440-
CO
. COLORADO COUNTIES INCLUDED ARE
SEDGWICK
NEC005-029-031-045-049-069-075-085-091-101-111-113-117-123-135-
161-171-280440-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ARTHUR CHASE CHERRY
DAWES DEUEL GARDEN
GRANT HAYES HOOKER
KEITH LINCOLN LOGAN
MCPHERSON MORRILL PERKINS
SHERIDAN THOMAS
SDC007-071-095-102-121-280440-
SD
READ MORE
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SPC MD 582
MD 0582 CONCERNING SEVERE THUNDERSTORM WATCH 179... FOR NORTHERN HIGH PLAINS
MESOSCALE DISCUSSION 0582
NWS STORM PREDICTION CENTER NORMAN OK
0930 PM CDT SUN APR 27 2025
AREAS AFFECTED...NORTHERN HIGH PLAINS
CONCERNING...SEVERE THUNDERSTORM WATCH 179...
VALID 280230Z - 280400Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 179
CONTINUES.
SUMMARY...SEVERE THREAT CONTINUES WITH THUNDERSTORMS THIS EVENING.
DISCUSSION...LOW-LEVEL CONVERGENCE IS GRADUALLY SHIFTING EAST THIS
EVENING AS THE PRIMARY SURFACE CYCLONE IS NOW INTO NORTHEAST CO.
EVEN SO, THE MAIN BOUNDARY CURRENTLY ARCS ALONG THE WESTERN FRINGE
OF WW179 FROM CARTER COUNTY MT-WESTERN PENNINGTON COUNTY SD. SEVERAL
LONGER-LIVED STORMS WITH LARGE HAIL ARE PROGRESSING ACROSS SOUTHEAST
MT TOWARD NORTHWEST SD, WHILE MORE LINER ACTIVITY APPEARS TO BE
EVOLVING ALONG THE WIND SHIFT OVER THE WESTERN BLACK HILLS. HAIL
REMAINS THE PRIMARY CONCERN WITH THIS ACTIVITY, THOUGH THE POTENTIAL
FOR GUSTY WINDS WITH LINE SEGMENTS IS OF SOME CONCERN. SEVERE THREAT
CONTINUES.
..DARROW.. 04/28/2025
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...ABR...BIS...UNR...BYZ...GGW...
LAT...LON 43840400 46580679 46590342 43830079 43840400
MOST PROBABLE PEAK TORNADO INTENSITY...85-115 MPH
MOST PROBABLE PEAK WIND GUST...65-80 MPH
MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN
READ MORE
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SPC APR 28, 2025 0100 UTC DAY 1 CONVECTIVE OUTLOOK
SPC 0100Z DAY 1 OUTLOOK
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0759 PM CDT SUN APR 27 2025
VALID 280100Z - 281200Z
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF THE
NORTHERN GREAT PLAINS INTO NE...AND PARTS OF THE SOUTHERN HIGH
PLAINS...
...SUMMARY...
ISOLATED TO SCATTERED SEVERE THUNDERSTORMS ARE POSSIBLE THIS EVENING
INTO EARLY MORNING MONDAY ACROSS PARTS OF THE GREAT PLAINS. LARGE TO
VERY LARGE HAIL, SEVERE GUSTS, AND A FEW TORNADOES ARE ALL POSSIBLE.
...NORTHERN GREAT PLAINS INTO NE...MN...NORTHERN IA...
SUPERCELL DEVELOPMENT IS UNDERWAY THIS EVENING ACROSS PARTS OF
WESTERN NE, WITH OTHER STRONG TO POTENTIALLY SEVERE STORMS EXPECTED
TO INCREASE IN COVERAGE FROM SOUTHEAST MT INTO WESTERN SD. THE
ENVIRONMENT ACROSS PARTS OF WESTERN NE AND VICINITY HAS BECOME
FAVORABLE FOR TORNADOES THIS EVENING, INCLUDING STRONG-TORNADO
POTENTIAL. SEE MCD 580 FOR MORE INFORMATION.
SOME THREAT FOR HAIL, SEVERE GUSTS, AND POSSIBLY A TORNADO WILL ALSO
PERSIST THROUGH THE EVENING FROM SOUTHEAST MT INTO WESTERN SD. LATE
TONIGHT, SOME CLUSTERING/UPSCALE GROWTH IS EXPECTED, WITH AT LEAST
AN ISOLATED THREAT OF HAIL AND STRONG/DAMAGING GUSTS EVENTUALLY
SPREADING INTO PARTS OF MN AND NORTHERN IA BEFORE THE END OF THE
PERIOD.
...CENTRAL/SOUTHERN HIGH PLAINS...
DESPITE A VOLATILE ENVIRONMENT (AS NOTED IN THE 00Z AMA SOUNDING),
STORMS HAVE STRUGGLED TO INITIATE NEAR THE DRYLINE FROM WESTERN KS
INTO THE TX PANHANDLE. THERE REMAINS A NARROW WINDOW OF OPPORTUNITY
FOR STORM INITIATION NEAR THE DRYLINE THROUGH DUSK, THOUGH
CONFIDENCE IS NOT HIGH DUE TO GENERALLY NEBULOUS LARGE-SCALE ASCENT.
A SLIGHT RISK HAS BEEN MAINTAINED FOR THE REMAINING CONDITIONAL
THREAT THIS EVENING ACROSS THE SOUTHERN HIGH PLAINS.
FARTHER SOUTH, A CLUSTER OF INITIALLY HIGH-BASED CONVECTION EARLIER
INTENSIFIED NEAR/EAST OF LUBBOCK. IF CONVECTION IN THIS AREA CAN
BECOME SURFACE-BASED, THEN A COUPLE OF SUPERCELLS COULD EVOLVE WITH
ALL SEVERE HAZARDS POSSIBLE. HOWEVER, RECENT TRENDS SUGGEST THIS
ACTIVITY MAY CONTINUE TO WEAKEN WITH TIME.
...CENTRAL MS VICINITY...
A COUPLE STRONGER STORMS PERSIST THIS EVENING ACROSS CENTRAL MS,
WITHIN A MODERATELY UNSTABLE AND MODESTLY SHEARED ENVIRONMENT. A
GENERAL WEAKENING TREND IS EXPECTED TO CONTINUE WITH TIME, THOUGH
SOME LOCALIZED THREAT FOR HAIL OR DAMAGING GUSTS MAY CONTINUE FOR
PART OF THE EVENING.
..DEAN.. 04/28/2025
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