Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 30, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Apr 15, 2000, 3:55 PM CDT for Wheeler County, Texas. It was in force for 65 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
- Apr 15, 2000, 3:55 PM CDT (20:55 UTC)
- Expired
- Apr 15, 2000, 5:00 PM CDT
- In force
- 65 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties
County Wheeler County, TX
The radar
The Amarillo radar (KAMA), 132 km from the middle of the area, began a volume at 20:59 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 |
|---|---|---|---|
| Apr 15, 4:05 PM CDT | Hail 1.75 | Wheeler, 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.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 8.9 hours before the alert went out and 131 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
- 110 J/kg
- Mixed-layer CIN
- -475 J/kg
- Mixed-layer LCL
- 1871 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
486 WUUS54 KAMA 152057 SVRAMA TXC483-152200- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AMARILLO TX 355 PM CDT SAT APR 15 2000 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WHEELER COUNTY IN THE TEXAS PANHANDLE * UNTIL 500 PM CDT * AT 355 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES SOUTHWEST OF WHEELER...WITH A SECOND SEVERE THUDERSTORM ABOUT 4 MILES EAST OF BRISCOE. THESE STORMS ARE MOVING EAST-NORTHEAST AT ABOUT 20 MPH. * SOME LOCATIONS AFFECTED BY THE STORMS INCLUDE... ALLISON...BRISCOE...NEW MOBEETIE...TWITTY AND WHEELER LARGE HAIL...DAMAGING WINDS...AND TORRENTIAL RAINS ARE EXPECTED WITH THESE STORMS. TAKE COVER IN A SUBSTANTIAL SHELTER.
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 Apr 15, 3:15 PM CDT, 40 minutes earlier.
Area forecast discussion, Apr 15, 3:15 PM CDT, 40 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE AMARILLO TX 315 PM CDT SAT APR 15 2000 ATTM...A COLD FRONT...ON A CANADIAN...TULIA...HEREFORD LINE CONTINUES TO MOVE SLOWLY SOUTHEAST. TEMPERATURES BEHIND THE FRONT STEADILY FALL AND REMAIN IN THE 30S IN THE OK PANHANDLE. IN ADVANCE OF THE FRONT...TEMPS HAVE REACHED THE LOWER 80S. DRYLINE EXTENDS FROM NEAR CLARENDON SOUTHWARD INTO THE SOPLNS. MODELS PERFORMED POORLY WITH THE SOUTHWARD MOVEMENT OF THIS FEATURE AND FEEL GUIDANCE TEMPS WAY OVERDONE FOR AFTN HIGHS FOR SUNDAY. MAIN THREAT FOR CONVECTION REMAINS IN THE SE CORNER OF FA. SHALLOW DOME OF COOLER AIR SHOULD BE REINFORCED OVERNIGHT BEHING SHORTWAVE AS IT MOVES ACROSS JUST SOUTH OF THE AREA. LOW CLOUDS MAY DEVELOP ESPECIALLY ACROSS NORTH AND NE SECTIONS. SHOWERS AND TSTMS HAVE DEVELOPED IN NE NM. SOME OF THIS PCPN MAY SPREAD ACROSS NRN ZONES THIS EVENING AND TONIGHT. PCPN LEAST LIKELY IN SW AREAS. AFTER TONIGHT...UPPER LOW MOVES EAST...UPPER RIDGE BUILDS OVER THE AREA...AND A RAPID WARM UP IN STORE THROUGH TUESDAY. WILL LEAVE SLGT CHC POPS IN ERN ZONES WED AS NEXT SYSTEM MOVES NORTH OF THE AREA. APPEARS MOST OF THE FA WILL BE DRY SLOTTED...BUT ENOUGH MOISTURE MAY BE AVAILABLE FOR ISOLATED STORMS EAST. DHT 33/63 38/82 50 300 AMA 38/68 40/85 52 200 .AMA... TX...NONE. OK...NONE. SD
In the hours before
Special weather statement, Apr 15, 12:55 PM CDT, 3 hours before
OKZ001>003-TXZ001>020-152300- TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE AMARILLO TX 1255 PM CDT SAT APR 15 2000 ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE EXTREME EASTERN TEXAS PANHANDLE THIS AFTERNOON AND EVENING... THE SLIGHT RISK AREA IS GENERALLY EAST OF A LINE FROM FOLLETT TO LIPSCOMB TO MIAMI TO CLARENDON. A STRONG CANADIAN COLD FRONT WILL CONTINUE TO MOVE SOUTH AND BY EARLY THIS EVENING IT WILL BE LOCATED ACROSS SOUTHWEST OKLAHOMA AND THE NORTHERN SOUTH PLAINS. AN UPPER LEVEL STORM SYSTEM WILL APPROACH THE PANHANDLES FROM THE WEST THIS AFTERNOON AND EVENING. LOW LEVEL MOISTURE ACROSS THE EASTERN TEXAS PANHANDLE WILL BE FOCUSED ALONG THE COLD FRONT AS IT MOVES SOUTH. THIS MOISTURE ALONG WITH THE LIFT FROM THE FRONT AND THE UPPER LEVEL STORM SYSTEM WILL COMBINE TO SET THE STAGE FOR THUNDERSTORMS... SOME OF WHICH MAY BECOME SEVERE. THE MAIN SEVERE WEATHER THREAT WILL BE LARGE HAIL AND DAMAGING DOWNBURST WINDS. HOWEVER...AN ISOLATED TORNADO IS NOT OUT OF THE QUESTION AS THE WINDS ALOFT INCREASE THIS AFTERNOON. THE THREAT OF SEVERE WEATHER WILL QUICKLY DIMINISH AFTER SUNSET AS THE COLD FRONT AND UPPER LEVEL STORM SYSTEM MOVE EAST OF THE AREA. EMERGENCY MANAGEMENT OFFICIALS AND SPOTTER GROUPS ACROSS THE EXTREME EASTERN TEXAS PANHANDLE SHOULD REMAIN ALERT...AND BE READY FOR POSSIBLE ACTIVATION THIS AFTERNOON OR EVENING. GOEHRING
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 2:59 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Wheeler | 61 min |
| Apr 15, 4:25 PM CDT | Severe Thunderstorm Warning | AMA | Collingsworth | 50 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm warning in 2000
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.