Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 163, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Oct 23, 2000, 12:58 PM CDT for Deaf Smith County, Oldham County, Texas. It was in force for 62 min. No storm report in the archive falls 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.
The facts
- Issued
- Oct 23, 2000, 12:58 PM CDT (17:58 UTC)
- Expired
- Oct 23, 2000, 2:00 PM CDT
- In force
- 62 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Deaf Smith County, TX, Oldham County, TX
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 23, 12:45 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 6.0 hours before the alert went out and 105 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
- 775 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 619 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KAMA 231758 SVRAMA TXC117-359-231900- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AMARILLO TX 1258 PM CDT MON OCT 23 2000 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN DEAF SMITH COUNTY IN THE TEXAS PANHANDLE SOUTHWESTERN OLDHAM COUNTY IN THE TEXAS PANHANDLE * UNTIL 200 PM CDT * AT 1258 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES SOUTHEAST OF GLENRIO...OR ABOUT 30 MILES WEST OF VEGA...MOVING NORTHEAST AT 30 MPH. * SOME LOCATIONS AFFECTED BY THE STORM INCLUDE... ADRIAN AND GLENRIO LARGE HAIL...DAMAGING WINDS...AND TORRENTIAL RAINS ARE EXPECTED WITH THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER. VERY SMALL...BRIEF...BUT DANGEROUS TORNADOES ARE POSSIBLE WITH THIS STORM. STAY INDOORS AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LAT...LON 3509 10308 3500 10274 3539 10248 3550 10288
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 Oct 23, 3:15 AM CDT, 9 hours 43 minutes earlier.
Area forecast discussion, Oct 23, 3:15 AM CDT, 9 hours 43 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION NATIONAL WEATHER SERVICE AMARILLO TX 315 AM CDT MON OCT 23 2000 SHOWERS AND TSTMS HAVE BEEN ON THE INCREASE SINCE 1 AM ACROSS FCST AREA IN ASSOCIATION WITH DEEP MOISTURE...A MINOR UPPER LVL IMPULSE ...PROXIMITY OF COLD FRONTAL BOUNDARY WHICH HAS NOW PUSHED INTO NWRN ZNS...WEAK ISENTROPIC LIFT...AND DIFFLUENT FLOW AT MID/UPPER LVLS IN ATMOSPHERE. LATEST SFC ANALYSIS DEPICTS COLD FRONT ALONG A KHLC TO KGUY TO SE OF KDHT TO KLVS TO KGUC. THIS BOUNDARY MAY SAG A LITTLE FURTHER S AND E TODAY BUT WHERE IT ENDS UP MAY BE A TOUGH CALL. SFC WINDS BEHIND IT HAVE SLACKENED A BIT AS HAS THE PRESSURE GRADIENT. CERTAINLY ENOUGH OF A PUSH TO WARRANT RAISING ONES EYEBROWS AS TO PSBLTY THAT THIS FRONT WILL BECOME A BOUNDARY IN WHICH TO FOCUS TSTMS AND INCREASE HEAVY RAIN POTENTIAL. FOG ALSO DVLPG ACROSS PARTS OF CWA AND WILL RETAIN IN FIRST PERIOD OF UPCOMING ZN PCKG. OTHERWISE...THE THEME FOR THE NEXT 48 HRS WILL BE INCREASING THREAT OF WIDESPREAD PRECIP WITH POTENTIAL FOR LOCALLY HEAVY OR EXCESSIVE RAINFALL. 00Z ETA/NGM/AVN ARE NOT IN BEST AGREEMENT IN HANDLING CLOSED/CUTOFF LOW CURRENTLY CENTERED IN NRN GULF OF CA BASED ON IR AND WATER VAPOR IMAGERY. ETA/NGM HAVE TRENDED TOWARDS A SLIGHTLY SLOWER EJECTION OF THE LOW WHILE AVN IS FASTEST. CONSIDERING HENRYS RULE AND THE IDEA THAT UPSTREAM KICKER IS ACTUALLY MOVING MORE SWD AS OPPOSED TO EWD ACCDG TO WATER VAPOR LOOP...A SLIGHTLY SLOWER SOLUTION MAY NOT BE TOO BAD. PLAN ON COMPROMISING ON SPEED. BEST CHCS FOR PRECIP WILL BE TODAY THRU TUES NIGHT...DECREASING WED MORNING AS SYSTEM CONTINUES LIFTING NEWD AND WEAKENS FURTHER. WILL ALSO COMMENT THAT ETA/NGM/AVN LATE PERIODS HAVE NOW TRENDED TOWARDS MORE OF A CLOSED LOW OFF NRN CA COAST COMPARED TO EARLIER SOLUTIONS. THIS MAY HAVE RAMIFICATIONS FOR EXTENDED PERIODS SINCE THIS IS A CONTINUITY CHANGE. REFER TO PMDHMD FOR MORE INFO. COMBINATION OF LOW LVL JET...DEEP MOISTURE...MINOR SHORTWAVES LIFTING NNEWD AHEAD OF MAIN BAJA LOW...ISENTROPIC UPGLIDE...DIFFLUENT FLOW ALOFT...AND CLOSE PROXIMITY OF FRONTAL BOUNDARY ARGUES FOR IDEA OF LOCALLY HEAVY OR EXCESSIVE RAINFALL THREAT TODAY AND TUESDAY. AGREE WITH QPFERD/QPFPFD AND BOTH SPC DAY1 AND DAY2 OUTLOOKS. AXIS OF HEAVIEST RAINFALL MAY BE IN WRN HALF OF FCST AREA TODAY AND TNGT... SHIFTING EWD TO ERN HALF ON TUESDAY AS UPPER LOW FINALLY BEGINS LIFTING OUT. PLAN ON HOLDING OFF ON FF WATCHES THIS PCKG AND LET NEXT SHIFT EVALUATE AS SITUATION UNFOLDS. FF GUIDANCE STILL HIGH ENOUGH AT THIS POINT. WILL MENTION LOCALLY HEAVY RAINFALL IN ZNS FOR NOW. NEW MEDIUM RANGE PROGS IN DISAGREEMENT AND BASED ON ABV TRENDS OF SHORT RANGE MODELS AT 48 TO 60 HRS...FCST FOR EXTENDED PERIODS IS A LOW CONFIDENCE ONE. WILL ASSESS FURTHER AND PASS CONCERNS TO NEXT SHIFT. PRELIM VALUES FOLLOW. DHT 61/51/63 677 GUY 63/52/65 677 AMA 64/52/64 677 .AMA... TX...NONE. OK...NONE. ANDRADE
In the hours before
Special weather statement, Oct 23, 9:47 AM CDT, 3 hours 11 minutes before
OKZ001>003-231800- RED FLAG FIRE ALERT NATIONAL WEATHER SERVICE AMARILLO TX 947 AM CDT MON OCT 23 2000 ...THE RED FLAG FIRE ALERT FOR THE ENTIRE OKLAHOMA PANHANDLE HAS BEEN CANCELED... DUE TO THE RECENT SOAKING RAINS...THE OKLAHOMA FORESTRY SERVICES AND THE GOVERNOR OF OKLAHOMA HAS CANCELED THE RED FLAG FIRE ALERT FOR THE ENTIRE OKLAHOMA PANHANDLE. FURTHERMORE...THE BAN ON ALL OUTDOOR BURNING HAS BEEN LIFTED. THE NATIONAL WEAT+HER SERVICE WILL REMAIN IN CONTACT WITH THE OKLAHOMA FORESTRY SERVICES...AND KEEP YOU UPDATED ON ANY FUTURE FIRE ALERTS. JH
Special weather statement, Oct 23, 11:40 AM CDT, 1 hour 18 minutes before
OKZ001>003-TXZ001>020-232300- TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE AMARILLO TX 1140 AM CDT MON OCT 23 2000 THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS ACROSS THE SOUTHERN TEXAS PANHANDLE. MOISTURE IS IN ABUNDANT SUPPLY ACROSS THE TEXAS PANHANDLE AND THE DYNAMICS OF THE UPPER ATMOSPHERE WILL BECOME INCREASINGLY FAVORABLE FOR THUNDERSTORMS. ALSO A WEAK COLD FRONT IS DRAPED ACROSS THE SOUTHERN TEXAS PANHANDLE...JUST SOUTH OF TUCUMCARI...TO JUST NORTH OF AMARILLO...AND NORTHEAST TOWARDS GAGE OKLAHOMA. THE MOISTURE COMBINED WITH ATMOSPHERIC DYNAMICS WILL MAKE IT POSSIBLE FOR THUNDERSTORMS TO BECOME SEVERE. THE RISK FOR SEVERE THUNDERSTORMSN IS SOUTH OF A LINE FROM DALHART TO CANADIAN. THE MAIN THREAT IS HAIL BUT SMALL TORNADOES ARE ALSO POSSIBLE NEAR THE COLD FRONT. ACTIVATION OF SPOTTER GROUPS AND EMERGENCY MANAGEMENT OFFICIALS MAY BE NECESSARY TODAY. WOLTERS
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 23, 2:11 PM CDT | Tornado Warning | AMA | Potter, Randall | 34 min |
| Oct 23, 3:08 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith | 37 min |
| Oct 23, 4:37 PM CDT | Flash Flood Warning | AMA | Deaf Smith, Oldham | 3 hr |
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.