Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 32, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Apr 22, 2000, 4:29 PM CDT for Armstrong County, Donley County, Texas. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 22, 2000, 4:29 PM CDT (21:29 UTC)
- Expired
- Apr 22, 2000, 5:15 PM CDT
- In force
- 46 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties
Counties Armstrong County, TX, Donley County, TX
The radar
The Amarillo radar (KAMA), 64 km from the middle of the area, began a volume at 21:29 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 nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 9.5 hours before the alert went out and 63 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
- 2834 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 261 m²/s²
- 0-3 km storm-relative helicity
- 254 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
324 WUUS54 KAMA 222131 SVRAMA TXC011-129-222215- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AMARILLO TX 429 PM CDT SAT APR 22 2000 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN ARMSTRONG COUNTY IN THE TEXAS PANHANDLE WESTERN DONLEY COUNTY IN THE TEXAS PANHANDLE * UNTIL 515 PM CDT * AT 429 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 24 MILES SOUTHWEST OF GOODNIGHT...MOVING NORTHEAST AT 70 MPH. * SOME LOCATIONS AFFECTED BY THE STORM INCLUDE... CLARENDON...GOODNIGHT...GREENBELT LAKE...HOWARDWICK. DESTRUCTIVE WINDS CAN BE EXPECTED. IF YOU CANNOT GET UNDERGROUND...GO TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS
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 22, 3:45 PM CDT, 44 minutes earlier.
Area forecast discussion, Apr 22, 3:45 PM CDT, 44 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION NATIONAL WEATHER SERVICE AMARILLO TX 345 PM CDT SAT APR 22 2000 UPPER LOW CURRENTLY OVER SWRN CO STEADILY TRANSLATING ESE WHILE SFC LOW IN SE CO AND ASSOCIATED LEE TROUGH INTENSIFIES. FURTHERMORE... CONVECTIVE INITIATION IS UNDERWAY ALONG STRENGTHENING DRYLINE CURRENTLY PUSHING EWD ACROSS THE FAR WRN SECTIONS OF TX/OK PNHDLS. UPPER LOW WILL CONTINUE TO TRACK ESE ACROSS THE TX PNHDL THIS EVENING/TONIGHT TAKING DRYLINE WITH IT. EXPECT CONVECTION TO ORGANIZE INTO A LINE BY THE TIME DRYLINE MAKES IT TO EDGE OF CAPROCK AND THEREFORE MAY HAVE TO UP POPS FOR CNTRL AND E AT LAST MINUTE. NARROW WINDOW OF SVR POTNTL MAY OCCUR ACROSS S CNTRL AND SE TX PNHDL THROUGH EARLY THIS EVENING. SEE LATEST SWODY1 AND SWOMCD FOR DETAILS. OTHER CONCERN WILL BE STRONG GRADIENT WINDS THAT WILL CONTINUE TO OVERSPREAD THE SRN HI PLAINS AREA TONIGHT. WILL ISSUE A WIND ADVSRY FOR SW AND S CNTRL ZONES UNTIL MIDNIGHT WHEN GRADIENT SHOULD LAX SOME TO RETURN AREA TO MOSTLY BREEZY CATEGORY. MODELS WHICH ARE ACTUALLY IN PRETTY GOOD AGREEMENT SUGGEST LOW-LEVEL MOISTURE WILL WRAP AROUND SYSTEM AND RETURN SWD BEHIND LATE TONIGHT/S PACIFIC COLD FRONT. ALTHOUGH THE LOW-LEVEL MOISTURE SPREADS ACROSS SWRN KS/OK PNHDL/NRN TX PNHDL SUN...BELIEVE THAT IT WILL MOSTLY BE IN THE FORM OF CLOUDS WITH A FEW SHOWERS ASSOCIATED WITH COLD POOL ALOFT. ALSO...WINDS WILL STAY UP IN BREEZY RANGE FOR SUN. MEDIUM RANGE MODELS SUGGESTING THAT DISTURBANCE IN NW FLOW MAY INTERACT WITH LOW LEVEL MOISTURE...WHICH IS NOT EXPECTED TO BE SO SCOURED OUT...TUE EVENING OR WED. HOWEVER...WILL KEEP INTEGRITY OF CURRENT FCST FROM MON THROUGH THU WITH GRADUAL WARMING TREND. AMA 49/70 45/72 49 200 DHT 46/67 46/71 46 320 GUY 47/67 46/71 49 320 .AMA... TX...WIND ADVISORY UNTIL MIDNIGHT TXZ011>020. OK...NONE. JH
In the hours before
Special weather statement, Apr 22, 12:59 PM CDT, 3 hours 30 minutes before
OKZ001>003-TXZ001>020-222200- TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE AMARILLO TX 1259 PM CDT SAT APR 22 2000 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND THIS EVENING ACROSS THE SOUTHEAST TEXAS PANHANDLE. THE SLIGHT RISK AREA IS SOUTH AND EAST OF A LINE FROM CANADIAN...TO BORGER...TO WAYSIDE. AN UPPER LEVEL LOW PRESSURE SYSTEM CENTERED OVER NORTHERN NEW MEXICO WILL MOVE EASTWARD TO THE OKLAHOMA PANHANDLE BY MIDNIGHT. AS THIS SYSTEM CONTINUES TO APPROACH THE AREA...LOW PRESSURE AT THE SURFACE WILL STRENGTHEN OVER SOUTHEASTERN COLORADO THIS AFTERNOON. A DRYLINE...WHICH IS A BOUNDARY BETWEEN MOIST AND DRY AIR...WILL DEVELOP AND EXTEND FROM THE SURFACE LOW SOUTHWARD INTO THE PANHANDLES. THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING IN THE SOUTHEAST TEXAS PANHANDLE...EAST OF THE DRYLINE...WHERE MOISTURE AMOUNTS WILL BE HIGHER. THE MAIN THREAT FROM ANY STORMS THAT DEVELOP WILL BE LARGE HAIL AND STRONG WIND. ACTIVATION OF SPOTTERS AND EMERGENCY MANAGERS IN THE SOUTHEAST TEXAS PANHANDLE MAY BE REQUIRED THIS AFTERNOON AND EVENING. SP
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.