Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 29, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at May 5, 2002, 7:59 PM CDT for Beaver County, Oklahoma. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 5, 2002, 7:59 PM CDT (00:59 UTC)
- Expired
- May 5, 2002, 8:30 PM CDT
- In force
- 31 min
- Issued by
- NWS Amarillo, TX
- Area
- Counties, with a storm outline in the text
County Beaver County, OK
The radar
The Dodge City radar (KDDC), 111 km from the middle of the area, began a volume at 01:01 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 5, 4:45 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Dodge City, (KDDC), launched 00:00Z, 1.0 hours before the alert went out and 115 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 2199 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 1272 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 207 m²/s²
- Significant tornado parameter
- 1.9
- Supercell composite
- 9.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KAMA 060059 SVRAMA OKC007-060130- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AMARILLO TX 758 PM CDT SUN MAY 5 2002 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN BEAVER COUNTY IN THE OKLAHOMA PANHANDLE * UNTIL 830 PM CDT * AT 758 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 2 MILES SOUTHWEST OF MOCANE...OR ABOUT 3 MILES NORTHWEST OF BEAVER...MOVING NORTHEAST AT 55 MPH. * SOME LOCATIONS AFFECTED BY THE STORM INCLUDE... FORGAN...MOCANE AND FLORIS LARGE HAIL...DAMAGING WINDS...AND TORRENTIAL RAINS ARE EXPECTED WITH THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER. A TORNADO WATCH IS ALSO IN EFFECT. TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. LAT...LON 3699 10094 3673 10093 3673 10001 3699 10001
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 5, 4:25 PM CDT, 3 hours 34 minutes earlier.
Area forecast discussion, May 5, 4:25 PM CDT, 3 hours 34 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION NATIONAL WEATHER SERVICE AMARILLO TX 425 PM CDT SUN MAY 5 2002 DRYLINE HAS ALREADY STARTED TO FIRE UP OVER THE WESTERN TEXAS PANHANDLE. MOIST AND UNSTABLE AIR AND MODERATE DEEP LAYERED SHEAR WILL COMBINE FOR STRONG TO SEVERE THUNDERSTORMS FOR THE REMAINDER OF THE AFTERNOON AND THIS EVENING. SEE LATEST SEVERE THUNDERSTORM WATCH #227 FOR MORE DETAILS. THIS BOUNDARY EDGES EAST THIS EVENING AND STALLS OVER THE EASTERN TEXAS PANHANDLE LATE TONIGHT. ONCE DAYTIME HEATING BEGINS...THIS BOUNDARY SHOULD START TO MARCH EAST AGAIN. THUNDERSTORMS COULD DEVELOP AGAIN LATE MONDAY AFTERNOON AS THE AIRMASS DESTABILIZES EAST OF THE DRYLINE. REPEAT MAY OCCUR ON TUESDAY AFTERNOON/EVENING AS THE DRYLINE STAYS NEAR THE EASTERN ZONES. COLD FRONT IS STILL ON SCHEDULE TO MOVE THROUGH AROUND WEDNESDAY EVENING. EXPECT CLOUDS TO INCREASE DUE TO TERRAIN UPSLOPE. THE WEATHER PATTERN SETS UP ONCE AGAIN ON FRIDAY AND INTO THE WEEKEND WHILE LOW LEVEL FLOW INCREASES AND MOISTURE IS REPLENISHED. FCSTR ID= 08 AMA 55/87/54/87 4000 DHT 51/85/51/86 2000 .AMA... TX...SEVERE THUNDERSTORM WATCH FOR ALL UNTIL 10 PM CDT. OK...SEVERE THUNDERSTORM WATCH FOR ALL UNTIL 10 PM CDT.
In the hours before
Special weather statement, May 5, 7:30 PM CDT, 29 minutes before
>OKZ001>003-TXZ001>020-060300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 730 PM CDT SUN MAY 5 2002 OKZ001-TXZ001-006-011-016-060300- THE NATIONAL WEATHER SERVICE IN AMARILLO HAS CLEARED A PORTION OF TORNADO WATCH 227. COUNTIES CLEARED INCLUDE: IN THE OKLAHOMA PANHANDLE: CIMARRON... IN THE TEXAS PANHANDLE: DALLAM...HARTLEY...OLDHAM...DEAF SMITH... THIS INCLUDES THE CITIES OF...BOISE CITY...DALHART...HARTLEY... HEREFORD...VEGA... OKZ002-003-TXZ002>005-007>010-012>015-017>020-060300- TORNADO WATCH 227 REMAINS VALID UNTIL 1000 PM CDT SUNDAY FOR THE FOLLOWING COUNTIES: IN THE OKLAHOMA PANHANDLE: TEXAS...BEAVER... IN THE TEXAS PANHANDLE: SHERMAN...HANSFORD...OCHILTREE...POTTER...LIPSCOMB...MOORE... HUTCHINSON...ROBERTS...HEMPHILL...CARSON...GRAY...WHEELER... RANDALL...ARMSTRONG...DONLEY...COLLINGSWORTH... THIS INCLUDES THE CITIES OF...AMARILLO...BEAVER...BOOKER...BORGER... CANADIAN...CANYON...CLARENDON...CLAUDE...DUMAS...GUYMON...MIAMI... PAMPA...PANHANDLE...PERRYTON...SHAMROCK...SPEARMAN...STRATFORD... WELLINGTON. 08
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2002Every severe thunderstorm warning in 2002
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.