Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 8, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Mar 23, 2001, 2:39 PM CST for Cimarron County, Oklahoma. It was in force for 66 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 23, 2001, 2:39 PM CST (20:39 UTC)
- Expired
- Mar 23, 2001, 3:45 PM CST
- In force
- 66 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties
County Cimarron County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 23, 2:46 PM CST | Hail 1 | Griggs, OK |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 8.7 hours before the alert went out and 184 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1409 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 171 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KAMA 232040 SVRAMA OKC025-232145- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AMARILLO TX 239 PM CST FRI MAR 23 2001 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN CIMARRON COUNTY IN THE OKLAHOMA PANHANDLE * UNTIL 345 PM CST * AT 239 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES NORTHWEST OF GRIGGS...MOVING SOUTHEAST AT 30 MPH. * SOME LOCATIONS AFFECTED BY THE STORM INCLUDE... GRIGGS LARGE HAIL...DAMAGING WINDS...AND TORRENTIAL RAINS ARE EXPECTED WITH THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER. LAT...LON 3673 1f0214 3656 10223 3651 10216 3653 10205
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 Mar 23, 2:21 AM CST, 12 hours 18 minutes earlier.
Area forecast discussion, Mar 23, 2:21 AM CST, 12 hours 18 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION NATIONAL WEATHER SERVICE AMARILLO TX 221 AM CST FRI MAR 23 2001 VORT MAX SLOWLY PUSHING EAST THROUGH SOUTHEAST COLORADO AND NORTHEAST NEW MEXICO CAUSING OUR SHOWERS AND ISOLATED STORMS THIS MORNING. RAIN SHOULD PUSH INTO WESTERN OKLAHOMA OR DISSIPATE BY SUNRISE. VORT MAX HANGS AROUND THE OKLAHOMA PANHANDLE FOR MOST OF THE DAY. THIS COUPLED WITH SURFACE MOISTURE...UPSLOPE AND INSTABILITY LEADS ME TO THINK THAT GOING FORECAST IS RIGHT ON TRACK WITH POPS TODAY. WE WILL INCREASE POPS FOR TONIGHT AS NEXT STRONG COLD FRONT MOVES THROUGH AND NEXT SHORT WAVE APPROACHES THE AREA IN WEST/NORTHWEST FLOW ALOFT. WE WILL LOWER SOME TEMPERATURES ON SATURDAY. AGREE WITH LBB THAT VERY LITTLE SUNSHINE WILL EQUAL VERY SMALL TEMPERATURE RISES. REST OF THE FORECAST LOOKS TO BE PRETTY MUCH ON TRACK...BUT WE WILL INTRODUCE SOME POPS FOR MONDAY NIGHT AND TUESDAY. IT NOW LOOKS LIKE THE MODELS ARE LATCHING ONTO THE IDEA THAT ANOTHER COLD FRONT SHOULD MOVE THROUGH THE PANHANDLES MONDAY NIGHT. ANOTHER SHORT WAVE MOVES TOWARDS THE PANHANDLES TUESDAY AS WESTERN RIDGE IS REPLACED BY A TROUGH. A FEW NUMBERS TO PONDER: DHT 67/a38 43/35 57 464 AMA 70/42 48/36 62 364 BVR 64/41 47/36 58 464 .AMA... .TX...NONE. .OK...NONE. GOEHRING
In the hours before
Special weather statement, Mar 23, 1:00 PM CST, 1 hour 39 minutes before
OKZ001>003-TXZ001>020-240300- TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE AMARILLO TX 100 PM CST FRI MAR 23 2001 THERE IS A SLIGHT RISK FOR ISOLATED SEVERE THUNDERSTORMS LATER THIS EVENING AND TONIGHT OVER ABOUT THE SOUTHWEST QUARTER OF THE TEXAS PANHANDLE. THE SLIGHT RISK AREA IS MAINLY ALONG AND SOUTHWEST OF A LINE FROM ROMERO TO SOUTH OF CANYON NEAR HAPPY. ELSEWHERE ACROSS THE OKLAHOMA AND TEXAS PANHANDLES...SCATTERED THUNDERSTORMS ARE EXPECTED LATER TODAY THROUGH TONIGHT. THUNDERSTORMS OVER THE HIGHER TERRAIN AND MOUNTAINS OF NORTHERN AND NORTHEASTERN NEW MEXICO AS WELL AS SOUTHERN AND SOUTHEASTERN COLORADO WILL MOVE SOUTHEAST INTO THE OKLAHOMA AND TEXAS PANHANDLES BY MID TO LATE AFTERNOON TODAY. A MOIST AND UNSTABLE AIRMASS IS IN PLACE OVER THE OKLAHOMA AND TEXAS PANHANDLES. IN ADDITION...A TROUGH OF LOW PRESSURE IN THE UPPER ATMOSPHERE WILL MOVE EAST OUT OF NEW MEXICO AND INTO WEST TEXAS LATER TODAY AND TONIGHT. THE BEST LIFT AND UPPER LEVEL DYNAMICS FROM THIS UPPER TROUGH WILL BE JUST SOUTH AND SOUTHWEST OF THE TEXAS PANHANDLE. THAT IS THE REASON FOR THE SLIGHT RISK AREA OVER THE EXTREME SOUTHWEST SECTION OF THE TEXAS PANHANDLE THIS EVENING AND TONIGHT. THE PRIMARY THREAT WITH THE SEVERE THUNDERSTORMS WILL BE LARGE HAIL...ALTHOUGH SOME DAMAGING DOWNBURST WINDS ARE ALSO POSSIBLE. THE OVERALL TORNADO THREAT APPEARS MINIMAL AT THIS TIME...AN ISOLATED TORNADO CANNOT BE RULED OUT. OUTSIDE OF THE SEVERE THREAT...THE THUNDERSTORMS ARE EXPECTED TO PRODUCE BRIEF GUSTY WINDS...DEADLY LIGHTNING AND BRIEF HEAVY RAINFALL. SPOTTER GROUPS AND EMERGENCY MANAGEMENT OFFICIAL OVER THE SOUTHWEST <TEXAS PANHANDLE SHOULD BE ON ALERT FOR POSSIBLE ACTIVATION THIS EVENING AND TONIGHT. SCHNEIDER
Special weather statement, Mar 23, 2:12 PM CST, 27 minutes before
OKZ001>003-TXZ001>020-240300- TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK...UPDATED NATIONAL WEATHER SERVICE AMARILLO TX 212 PM CST FRI MAR 23 2001 THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS LATER THIS AFTERNOON THROUGH TONIGHT OVER ABOUT THE WESTERN TWO-THIRDS OF THE OKLAHOMA AND TEXAS PANHANDLES. THE SLIGHT RISK AREA IS MAINLY ALONG AND WEST OF A LINE FROM NORTHWEST OF FORGAN TO HEDLEY. THIS DOES INCLUDE THE CITIES AND TOWNS OF AMARILLO...BORGER...DALHART...CANYON... HEREFORD...DUMAS...CLARENDON...SPEARMAN...GUYMON...STRATFORD...BOISE CITY...CLAUDE...AND PERRYTON. ELSEWHERE ACROSS THE EXTREME EASTERN OKLAHOMA AND TEXAS PANHANDLES... SCATTERED THUNDERSTORMS ARE EXPECTED LATER TODAY THROUGH TONIGHT. THUNDERSTORMS OVER THE HIGHER TERRAIN AND MOUNTAINS OF NORTHERN AND NORTHEASTERN NEW MEXICO AS WELL AS SOUTHERN AND SOUTHEASTERN COLORADO WILL MOVE SOUTHEAST INTO THE OKLAHOMA AND TEXAS PANHANDLES BY MID TO LATE AFTERNOON TODAY. A MOIST AND UNSTABLE AIRMASS IS IN PLACE OVER THE OKLAHOMA AND TEXAS PANHANDLES. IN ADDITION...A TROUGH OF LOW PRESSURE IN THE UPPER ATMOSPHERE WILL MOVE EAST OUT OF NEW MEXICO AND INTO WEST TEXAS LATER TODAY AND TONIGHT. THAT IS THE REASON FOR THE SLIGHT RISK AREA OVER THE WESTERN TWO-THIRDS OF THE OKLAHOMA AND TEXAS PANHANDLE THIS EVENING AND TONIGHT. THE PRIMARY THREATS WITH THE SEVERE THUNDERSTORMS WILL BE LARGE HAIL AND DAMAGING DOWNBURST WINDS. OUTSIDE OF THE SEVERE THREAT...THE THUNDERSTORMS ARE EXPECTED TO PRODUCE BRIEF GUSTY WINDS...DEADLY LIGHTNING AND BRIEF HEAVY RAINFALL. SPOTTER GROUPS AND EMERGENCY MANAGEMENT OFFICIAL ALL ACROSS THE WESTERN AND CENTRAL OKLAHOMA AND TEXAS PANHANDLES SHOULD BE ON ALERT FOR POSSIBLE ACTIVATION LATER TODAY THROUGH TONIGHT. SCHNEIDER
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.