Alert archive / Texas / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 21, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at May 15, 2003, 8:43 PM CDT for Armstrong County, Donley County, Texas. It was in force for 47 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 15, 2003, 8:43 PM CDT (01:43 UTC)
- Expired
- May 15, 2003, 9:30 PM CDT
- In force
- 47 min
- Issued by
- NWS Amarillo, TX
- Area
- Counties, with a storm outline in the text
Counties Armstrong County, TX, Donley County, TX
The radar
The Amarillo radar (KAMA), 68 km from the middle of the area, began a volume at 01:42 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.
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 15, 6:50 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 1.7 hours before the alert went out and 67 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
- 2687 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 1311 m above ground
- 0-6 km bulk shear
- 82 kt
- 0-1 km storm-relative helicity
- 213 m²/s²
- 0-3 km storm-relative helicity
- 482 m²/s²
- Significant tornado parameter
- 4.0
- Supercell composite
- 19.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KAMA 160143 SVRAMA TXC011-129-160230- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AMARILLO TX 843 PM CDT THU MAY 15 2003 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN ARMSTRONG COUNTY IN THE PANHANDLE OF TEXAS WESTERN DONLEY COUNTY IN THE PANHANDLE OF TEXAS * UNTIL 930 PM CDT * AT 843 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 4 MILES EAST OF GOODNIGHT...OR ABOUT 14 MILES NORTHWEST OF CLARENDON...MOVING NORTHEAST AT 30 MPH. * SOME LOCATIONS AFFECTED BY THE STORM INCLUDE... CLARENDON...LELIA LAKE...HOWARDWICK...GREENBELT LAKE AND GOODNIGHT 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 3476 10128 3476 10075 3517 10077 3517 10124 $$
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 7:24 PM CDT | Tornado Warning | AMA | Moore, Sherman | 66 min |
| May 15, 7:46 PM CDT | Tornado Warning | AMA | Donley | 29 min |
| May 15, 7:48 PM CDT | Tornado Warning | AMA | Carson, Hutchinson | 57 min |
| May 15, 7:51 PM CDT | Tornado Warning | AMA | Armstrong | 54 min |
| May 15, 8:13 PM CDT | Tornado Warning | AMA | Donley, Gray, Wheeler | 62 min |
| May 15, 8:14 PM CDT | Tornado Warning | AMA | Hansford | 61 min |
| May 15, 8:26 PM CDT | Tornado Warning | AMA | Moore, Sherman | 64 min |
| May 15, 8:45 PM CDT | Tornado Warning | AMA | Hutchinson | 60 min |
| May 15, 9:01 PM CDT | Tornado Warning | AMA | Carson | 44 min |
| May 15, 9:06 PM CDT | Tornado Warning | AMA | Donley, Gray | 39 min |
| May 15, 9:12 PM CDT | Tornado Warning | AMA | Ochiltree | 63 min |
| May 15, 9:21 PM CDT | Tornado Warning | AMA | Hansford | 54 min |
| May 15, 9:30 PM CDT | Tornado Warning | AMA | Roberts | 60 min |
| May 15, 9:36 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong | 39 min |
| May 15, 9:44 PM CDT | Tornado Warning | AMA | Gray, Wheeler | 61 min |
| May 15, 9:46 PM CDT | Severe Thunderstorm Warning | AMA | Carson | 29 min |
| May 15, 10:08 PM CDT | Tornado Warning | AMA | Donley | 67 min |
| May 15, 10:14 PM CDT | Severe Thunderstorm Warning | AMA | Ochiltree | 61 min |
| May 15, 10:43 PM CDT | Tornado Warning | AMA | Gray, Wheeler | 62 min |
| May 15, 11:03 PM CDT | Tornado Warning | AMA | Collingsworth | 57 min |
| May 15, 11:45 PM CDT | Severe Thunderstorm Warning | AMA | Wheeler | 30 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2003Every severe thunderstorm warning in 2003
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.