Alert archive / Texas / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 39, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at May 9, 1994, 5:46 PM CDT for Dallam County, Texas. It was in force for 44 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
- May 9, 1994, 5:46 PM CDT (22:46 UTC)
- Expired
- May 9, 1994, 6:30 PM CDT
- In force
- 44 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties
County Dallam County, TX
The radar
The Amarillo radar (KAMA), 141 km from the middle of the area, began a volume at 22:46 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 9, 6:10 PM CDT | Tornado F0 | Coldwater, TX |
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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 10.8 hours before the alert went out and 142 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
- 149 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 1756 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KAMA 092248 RRA SVRAMA TXC111-092330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AMARILLO TX 546 PM CDT MON MAY 9 1994 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 630 PM CDT FOR THE PEOPLE IN THE FOLLOWING LOCATION... IN THE TEXAS PANHANDLE ...NORTHERN DALLAM COUNTY AT 545 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 25 MILES NORTHWEST OF DALHART. THIS STORM IS MOVING NORTH AT 5 MILES AN HOUR. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER... SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. MOVE INDOORS AND AWAY FROM AREAS WHERE LOOSE ITEMS COULD BECOME FLYING DEBRIS. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
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.
In the hours before
Special weather statement, May 9, 12:45 PM CDT, 5 hours 1 minute before
OKZ001>003-TXZ001>026-100500- TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE AMARILLO TX 100 PM CDT MON MAY 9 1994 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT ACROSS MOST OF THE TEXAS AND OKLAHOMA PANHANDLES EXCEPT FOR THE EXTREME EASTERN OKLAHOMA PANHANDLE AND FAR NORTHEAST TEXAS PANHANDLE. A WEAK COLD FRONT EXTENDED FROM NEAR DALHART TO AMARILLO TO NORTH OF CHILDRESS EARLY THIS AFTERNOON AND IS EXPECTED TO MOVE ONLY SLOWLY SOUTH THROUGH TONIGHT. SURFACE AND LOW LEVEL WINDS ACROSS THE PANHANDLES WILL REMAIN EAST TO SOUTHEAST AND WILL CONTINUE TO INCREASE THE MOISTURE SUPPLY. SKIES HAD BECOME MOSTLY SUNNY ACROSS THE WESTERN HALF OF THE TEXAS PANHANDLE. STRONG DAYTIME HEATING AND INCREASING LOW LEVEL MOISTURE WILL MAKE THE ATMOSPHERE QUITE UNSTABLE IN THIS AREA LATER THIS AFTERNOON. THE PERSISTENT UPPER LEVEL LOW WAS STILL IN ARIZONA AND WILL CONTINUE TO EJECT WEATHER DISTURBANCES ACROSS THE PANHANDLES TODAY AND TUESDAY. ONE OF THESE WEATHER DISTURBANCES WILL APPROACH THE AREA LATE THIS AFTERNOON AND WILL LIKELY INITIATE THUNDERSTORMS ALONG THE COLD FRONT ACROSS THE SOUTHWEST HALF OF THE TEXAS PANHANDLE OR IN EASTERN NEW MEXICO. BECAUSE OF THE UNSTABLE ATMOSPHERE AND FAVORABLE WIND PROFILE...SOME OF THE STORMS MAY BECOME SEVERE MAINLY THIS AFTERNOON AND THIS EVENING. THE MAIN THREATS WILL BE HAIL AND STRONG WINDS. LOCALLY HEAVY RAINFALL IS POSSIBLE AS THE STORMS ARE EXPECTED TO MOVE SLOWLY. SPOTTER GROUPS AND EMERGENCY MANAGEMENT OFFICIALS ACROSS THE SLIGHT RISK AREA SHOULD BE READY FOR POSSIBLE ACTIVATION THIS AFTERNOON AND TONIGHT. SEVERE THUNDERSTORMS WILL BE POSSIBLE AGAIN IN MOST AREAS TUESDAY AFTERNOON AND EVENING WITH DAYTIME HEATING AND ANOTHER APPROACHING WEATHER DISTURBANCE. RUBIN
Special weather statement, May 9, 1:00 PM CDT, 4 hours 46 minutes before
OKZ001>003-TXZ001>026-100500- TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE AMARILLO TX 100 PM CDT MON MAY 9 1994 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT ACROSS MOST OF THE TEXAS AND OKLAHOMA PANHANDLES EXCEPT FOR THE EXTREME EASTERN OKLAHOMA PANHANDLE AND FAR NORTHEAST TEXAS PANHANDLE. A WEAK COLD FRONT EXTENDED FROM NEAR DALHART TO AMARILLO TO NORTH OF CHILDRESS EARLY THIS AFTERNOON AND IS EXPECTED TO MOVE ONLY SLOWLY SOUTH THROUGH TONIGHT. SURFACE AND LOW LEVEL WINDS ACROSS THE PANHANDLES WILL REMAIN EAST TO SOUTHEAST AND WILL CONTINUE TO INCREASE THE MOISTURE SUPPLY. SKIES HAD BECOME MOSTLY SUNNY ACROSS THE WESTERN HALF OF THE TEXAS PANHANDLE. STRONG DAYTIME HEATING AND INCREASING LOW LEVEL MOISTURE WILL MAKE THE ATMOSPHERE QUITE UNSTABLE IN THIS AREA LATER THIS AFTERNOON. THE PERSISTENT UPPER LEVEL LOW WAS STILL IN ARIZONA AND WILL CONTINUE TO EJECT WEATHER DISTURBANCES ACROSS THE PANHANDLES TODAY AND TUESDAY. ONE OF THESE WEATHER DISTURBANCES WILL APPROACH THE AREA LATE THIS AFTERNOON AND WILL LIKELY INITIATE THUNDERSTORMS ALONG THE COLD FRONT ACROSS THE SOUTHWEST HALF OF THE TEXAS PANHANDLE OR IN EASTERN NEW MEXICO. BECAUSE OF THE UNSTABLE ATMOSPHERE AND FAVORABLE WIND PROFILE...SOME OF THE STORMS MAY BECOME SEVERE MAINLY THIS AFTERNOON AND THIS EVENING. THE MAIN THREATS WILL BE HAIL AND STRONG WINDS. LOCALLY HEAVY RAINFALL IS POSSIBLE AS THE STORMS ARE EXPECTED TO MOVE SLOWLY. SPOTTER GROUPS AND EMERGENCY MANAGEMENT OFFICIALS ACROSS THE SLIGHT RISK AREA SHOULD BE READY FOR POSSIBLE ACTIVATION THIS AFTERNOON AND TONIGHT. SEVERE THUNDERSTORMS WILL BE POSSIBLE AGAIN IN MOST AREAS TUESDAY AFTERNOON AND EVENING WITH DAYTIME HEATING AND ANOTHER APPROACHING WEATHER DISTURBANCE. RUBIN
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 2:23 PM CDT | Severe Thunderstorm Warning | AMA | Sherman | 67 min |
| May 9, 5:07 PM CDT | Severe Thunderstorm Warning | AMA | Dallam | 38 min |
| May 9, 6:32 PM CDT | Severe Thunderstorm Warning | AMA | Dallam | 58 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1994Every severe thunderstorm warning in 1994
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; radar from the NEXRAD Level II archive.