Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 62, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at May 17, 2001, 9:10 PM CDT for Hansford County, Texas. It was in force for 50 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
- May 17, 2001, 9:10 PM CDT (02:10 UTC)
- Expired
- May 17, 2001, 10:00 PM CDT
- In force
- 50 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Hansford County, TX
The radar
The Amarillo radar (KAMA), 58 km from the middle of the area, began a volume at 02:12 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 00:00Z, 2.2 hours before the alert went out and 59 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
- 1564 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 1673 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KAMA 180212 SVSAMA TXZ011-180230- SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 911 PM CDT THU MAY 17 2001 ...A SEVERE THUNDERSTORM WARNING CONTINUES FOR NORTHEASTERN OLDHAM COUNTY UNTIL 930 PM CDT... AT 905 PM CDT...BOYS RANCH REPORTED QUARTER SIZE HAIL. THE SEVERE THUNDERSTORM WAS LOCATED 2 MILES SOUTHEAST OF BOYS RANCH...DRIFTING SOUTHEAST AT 10 MPH. MOTORISTS ALONG BOYS RANCH ROAD ARE IN THE PATH OF THIS STORM. LARGE HAIL...DAMAGING WINDS...AND TORRENTIAL RAINS ARE EXPECTED WITH THIS STORM. TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. LAT...LON 3562 10226 3543 10233 3536 10216 3560 10216
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 May 17, 3:15 PM CDT, 5 hours 55 minutes earlier.
Area forecast discussion, May 17, 3:15 PM CDT, 5 hours 55 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION NATIONAL WEATHER SERVICE AMARILLO TX 315 PM CDT THU MAY 17 2001 TEMPS IN MID 70S TO MID 80S DEG F ACRS PNHDLS HAVE ALLOWED AMS TO BCM VERY UNSTABLE. AMA 12Z SOUNDING ADJUSTED FOR MID 80S YEILDS LI OF -11. CDFNT LIES ACRS SERN AND SRN ZNS. DIFFUSE OUTFLOW BNDRY LIES ACRS NRN ZNS. ELY COMPONENT TO SFC AND LOW-LVL WNDS ON N SIDE OF CDFNT WL PVL THIS EVE AND TNGT...ASSISTING IN DVLPMT OF TSTMS. H5 VOT MAX AND JET STREAK WL MOV INTO AREA FM W THIS EVE AND TNGT... WHICH WL HELP INSTBY BE RELEASED. WL MENTION PSBL SVR AND LOCALLY HVY RNFL PSBL ALL SXNS TNGT. SFC WNDS BCM SELY ON FRI OVR WRN ZNS ...AND WITH CNVGNC ALG RETREATING FNT OVR THIS AREA WILL KEEP HIST CHC POPS FRI AND FRI NGT OVR WRN AND CNTRL ZNS. SAME SITUATION FOR SAT...I.E. AXIS OF INSTBY ALG CNVGNC ZONE OVR WRN AND SRN ZNS. AVN BRINGS CDFNT INTO NRN ZNS SAT EVE. THUS...CHC POPS SAT NGT AS WELL. STGR CDFNT TO ARRIVE LATE SUN/ERY MON...SO WL KEEP CHC/SLGT CHC TSTMS IN THIS TIME FRAME AS WELL. WITH CONSIDERABLE UNCERTAINTY IN LATER PDS...WL LEAVE SLGT CHC POPS IN FOR WED...WITH GRDL WMG TREND TUE THRU THU. 03 .AMA... TX...NONE. OK...NONE0. COCKRELL
In the hours before
Local storm report, May 17, 8:58 PM CDT, 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
858 PM CDT THU MAY 17 2001
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0813 PM GOODWELL OK .88 INCH HAIL
05/17/01 TEXAS REPORTED BY TEXAS EOC.
0655 PM 3E-15NW GUYMON OK 1.00 INCH HAIL
05/17/01 TEXAS REPORTED BY CO-OP OBSERVER
0844 PM HARDESTY OK 55 MPH TSTM WIND GUST
05/17/01 TEXAS REPORTED BY PDThe office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 8:27 PM CDT | Severe Thunderstorm Warning | AMA | Hartley | 48 min |
| May 17, 8:42 PM CDT | Severe Thunderstorm Warning | AMA | Oldham | 48 min |
| May 17, 9:15 PM CDT | Severe Thunderstorm Warning | AMA | Hutchinson | 45 min |
| May 17, 9:19 PM CDT | Severe Thunderstorm Warning | AMA | Potter | 56 min |
| May 17, 9:51 PM CDT | Severe Thunderstorm Warning | AMA | Randall | 54 min |
| May 17, 9:55 PM CDT | Severe Thunderstorm Warning | AMA | Carson | 65 min |
| May 17, 10:12 PM CDT | Severe Thunderstorm Warning | AMA | Potter | 48 min |
| May 17, 10:16 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith | 59 min |
| May 17, 10:34 PM CDT | Severe Thunderstorm Warning | AMA | Gray, Roberts | 26 min |
| May 17, 10:44 PM CDT | Severe Thunderstorm Warning | AMA | Randall | 46 min |
| May 17, 10:48 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong | 42 min |
| May 17, 10:59 PM CDT | Severe Thunderstorm Warning | AMA | Carson | 31 min |
| May 17, 11:00 PM CDT | Severe Thunderstorm Warning | AMA | Donley, Gray | 60 min |
| May 17, 11:00 PM CDT | Severe Thunderstorm Warning | AMA | Roberts | 60 min |
| May 17, 11:25 PM CDT | Severe Thunderstorm Warning | AMA | Collingsworth, Wheeler | 65 min |
| May 17, 11:54 PM CDT | Severe Thunderstorm Warning | AMA | Donley | 51 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning in 2001
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.