Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 14, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Apr 5, 2001, 12:54 AM CDT for Hansford County, Texas; Texas County, Oklahoma. It was in force for 36 min. 2 reports came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Apr 5, 2001, 12:54 AM CDT (05:54 UTC)
- Expired
- Apr 5, 2001, 1:30 AM CDT
- In force
- 36 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Texas County, OK, Hansford County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 5, 1:20 AM CDT | Hail 1.5 | Hardesty, OK | |
| Apr 5, 1:38 AM CDT | Hail 1 | Hardesty, 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 00:00Z, 5.9 hours before the alert went out and 139 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
- 3480 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 167 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 050556
SVRAMA
OKC139-TXC195-050630-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
1254 AM CDT THU APR 5 2001
THE NATIONAL WEATHER SERVICE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN HANSFORD COUNTY IN THE TEXAS PANHANDLE
SOUTHEASTERN TEXAS COUNTY IN THE OKLAHOMA PANHANDLE
* UNTIL 130 AM CDT
* AT 1254 AM CDT...A SEVERE THUNDERSTORM WAS REPORTED 12 MILES
SOUTHWEST OF HARDESTY...OR ABOUT 12 MILES SOUTHEAST OF GUYMON...
MOVING NORTH AT 25 MPH.
* SOME LOCATIONS AFFECTED BY THE STORM INCLUDE...
HARDESTY AND GRUVER
QUARTER SIZE HAIL...AND TORRENTIAL RAINS ARE EXPECTED WITH THIS
STORM. TAKE COVER IN A SUBSTANTIAL SHELTER.
LAT...LON 3641 10159 3623 10141 3624 10116 3647 10111
3656 10098 3672 10121What 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 Apr 4, 10:20 PM CDT, 2 hours 34 minutes earlier.
Area forecast discussion, Apr 4, 10:20 PM CDT, 2 hours 34 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION NATIONAL WEATHER SERVICE AMARILLO TX 1020 PM CDT WED APR 4 2001 UPDT TO ZONES BEING ISSUED...ADDING SCT TSTMS TO S-CNTRL AND SWRN ZNS. STG/SVR TSTMS ALG RETREATING DRYLN S OF FCST AREA MOVG NNE TWD 2000-3000 J/KG CAPES IN PLACE OVR CNTRL AND ERN TX PNHDL. H5 VOT MAX HAS RMND INTACT PAST 6 HRS AS IT MOVS NEWD. SFC SELY WNDS EXPCD TO RMN AOA 15 KT IN AREAS E OF DRYLN NEXT FEW HRS AS LLJ DVLPS OVR ERN ZNS. NO CHANGES TO LATER PDS. 03 .AMA... TX...NONE. OK...NONE. COCKRELL/SLATTERY
Nearby
Severe Thunderstorm Warnings in Texas, 2001Severe 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.