Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 33, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Apr 10, 2001, 11:37 PM CDT for Beaver County, Oklahoma; Lipscomb County, Texas. It was in force for 68 min. 11 reports 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 10, 2001, 11:37 PM CDT (04:37 UTC)
- Expired
- Apr 11, 2001, 12:45 AM CDT
- In force
- 68 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties
Counties Beaver County, OK, Lipscomb County, TX
The radar
The Dodge City radar (KDDC), 143 km from the middle of the area, began a volume at 04:37 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 10, 11:40 PM CDT | Tornado F2 | Balko, OK | An official storm damage survey was made and the tornado path length and width were estimated. Extensive damage to two homes...several barns...farm equipment...power poles...trees and a windmill. |
| Apr 10, 11:40 PM CDT | Hail 1 | Turpin, OK | |
| Apr 10, 11:54 PM CDT | Hail 0.75 | Beaver, OK | |
| Apr 10, 11:54 PM CDT | Hail 1 | Turpin, OK | |
| Apr 10, 11:55 PM CDT | Hail 1 | Beaver, OK | |
| Apr 10, 11:56 PM CDT | Hail 0.75 | Booker, TX | |
| Apr 11, 12:00 AM CDT | Tornado F1 | Balko, OK | An official storm damage survey was made and the tornado path length and width were estimated. The tornado destroyed at least two barns...some farm equipment...uprooted large trees and snapped power poles. |
| Apr 11, 12:10 AM CDT | Tornado F0 | Elmwood, OK | An official storm damage survey was made and the tornado path length and width were estimated. The tornado did minor damage to a barn and a house with several power poles and trees blown down. |
| Apr 11, 12:15 AM CDT | Thunderstorm Wind 65 E | Elmwood, OK | Damage was reported to a house and a shed was blown away. |
| Apr 11, 12:20 AM CDT | Thunderstorm Wind 50 M | Slapout, OK | |
| Apr 11, 12:45 AM CDT | Hail 0.75 | Gate, OK |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 10, 8:30 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 10, 7:00 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Dodge City, (KDDC), launched 00:00Z, 4.6 hours before the alert went out and 146 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
- 27 J/kg
- Mixed-layer CIN
- -126 J/kg
- Mixed-layer LCL
- 2242 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 205 m²/s²
- 0-3 km storm-relative helicity
- 327 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KAMA 110441 SVRAMA OKC007-TXC211-295-110545- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AMARILLO TX 1137 PM CDT TUE APR 10 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN BEAVER COUNTY IN THE OKLAHOMA PANHANDLE HEMPHILL COUNTY IN THE TEXAS PANHANDLE LIPSCOMB COUNTY IN THE TEXAS PANHANDLE * UNTIL 1245 AM CDT * AT 1137 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 6 MILES WEST OF FORGAN TO 19 MILES SOUTH OF CANADIAN...MOVING EAST AT 40 MPH. * SOME LOCATIONS AFFECTED BY THESE STORMS INCLUDE... BEAVER...CANADIAN...LIPSCOMB...ELMWOOD...FORGAN...GATE... SLAPOUT...BOOKER...FOLLETT...DARROUZETT HIGGINS AND LAKE MARVIN. LARGE HAIL UP TO ONE AND ONE-HALF INCHES IN DIAMETER AND WIND GUSTS IN EXCESS OF 55 MPH CAN BE EXPECTED WITH THIS LINE OF STORMS. A TORNADO WATCH IS ALSO IN EFFECT. TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. LAT...LON
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 10, 3:45 PM CDT, 7 hours 52 minutes earlier.
Area forecast discussion, Apr 10, 3:45 PM CDT, 7 hours 52 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION NATIONAL WEATHER SERVICE AMARILLO TX 345 PM CDT TUE APR 10 2001 SFC WAVE IS OVR N-CNTRL KS ATTM...SE OF HLC. DRYLN EXTDS SWWD FM THIS LOW THRU NWRN CORNER OF OK...TO JUST E OF AMA...TO JUST W OF HOB. SFC WAVE HAS TROF AXIS WHICH DIPS SWWD INTO WRN OK PNHDL... THEN ARCS NWWD TO SFC LOW OVR CNTRL CO...NR LXV. THIS LOW HAS BEEN DEEPENING SGFNTLY DURG DAY WITH SFC TROF EXTDG SWD FM SAME THRU CNTRL NM TO NR ELP. PAC CDFNT MOVG THRU WRN NM...WITH -SN NOTED OVR HIR SXNS OF AZ. H5 LOW CURRENTLY NR CNTRL AZ...WITH COLD POOL ...STG DYNAMICS...AND DIFFLUENT FLOW...OVR AREA OF PRES FALLS... CNTRL CO THRU SWRN NM. DRYLN EXPCD TO RETREAT THIS EVE DUE TO APCHG DYANMICS. WITH INSTBY AND SHEAR EXPCD TO INCR OVR ERN ZNS...WL FCST NMRS TSTMS. OVR CNTRL ZNS WL FCST SCT TSTMS...AND WL KEEP SLGT CHC TSTMS GOING OVR WRN ZNS. SVR TSTMS EXPCD...SPLY OVR ERN ZNS. DRYLN...SFC TROF...AND PAC CDFNT WL ALL MOV THRU PNHDLS BY ARND 06Z...WITH CNVGNC INCRG THIS EVE. PRES GRADIENT WL TIGHTEN ENOUGH TO WARRANT ISSUANCE OF WND ADZY TNGT...AND WL LIKELY BE NEEDED THRU WED MRNG AS WELL. WED NGT THRU TUE EXPCD TO BE UNEVENTFUL AS H5 FLOW TRENDS TO ZONAL... AND THEN BACKS AGAIN AHEAD OF NEXT TROF ERY NEXT WK. WK CDFNT MAY ENTER FCST AREA ON TUE...BUT MSTR RTRN NOT ANTICIPATED PRIOR TO FROPA. 03 .AMA... TX...WIND ADVISORY TNGT TX ZNS 01>20. OK...WIND ADVISORY TNGT OK ZNS 01>03. COCKRELL
In the hours before
Special weather statement, Apr 10, 10:50 PM CDT, 47 minutes before
OKZ001-002-110415- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 1050 PM CDT TUE APR 10 2001 THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM WATCH NUMBER 121 FOR CIMARRON COUNTY IN THE OKLAHOMA PANHANDLE. THE LINE OF STORMS HAS MOVED OUT OF THE COUNTY AND NO ADDITIONAL SEVERE WEATHER IS EXPECTED THE REST OF TONIGHT. SEVERE THUNDERSTORM WATCH NUMBER 121 REMAINS IN EFFECT FOR TEXAS COUNTY IN THE OKLAHOlMA UNTIL 1 AM CDT WEDNESDAY. ANDRADE
Special weather statement, Apr 10, 11:05 PM CDT, 32 minutes before
OKZ003-TXZ003>005-007>010-012>015-017>020-110425- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 1105 PM CDT TUE APR 10 2001 THE NATIONAL WEATHER SERVICE HAS CANCELED TORNADO WATCH NUMBER 119 FOR MOORE...POTTER...AND RANDALL COUNTIES IN THE TEXAS PANHANDLE. STORMS HAVE MOVED OUT OF THESE COUNTIES AND NO ADDITIONAL SEVERE WEATHER IS EXPECTED THE REST OF TONIGHT. TORNADO WATCH NUMBER 119 REMAINS IN EFFECT FOR HANSFORD...OCHILTREE ...LIPSCOMB...HUTCHINSON...ROBERTS...HEMPHILL...CARSON...GRAY... WHEELER...ARMSTRONG...DONLEY...AND COLLINGSWORTH COUNTIES IN THE TEXAS PANHANDLE...AND BEAVER COUNTY IN THE OKLAHOMA PANHANDLE UNTIL MIDNIGHT. ANDRADE
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 7:55 PM CDT | Severe Thunderstorm Warning | AMA | Cimarron | 35 min |
| Apr 10, 8:31 PM CDT | Severe Thunderstorm Warning | AMA | Cimarron | 44 min |
| Apr 10, 11:06 PM CDT | Severe Thunderstorm Warning | AMA | Beaver, Texas | 54 min |
| Apr 11, 12:18 AM CDT | Tornado Warning | AMA | Beaver | 27 min |
| Apr 10, 9:13 PM CDT | Severe Thunderstorm Warning | AMA | Hartley, Oldham | 32 min |
| Apr 10, 9:27 PM CDT | Severe Thunderstorm Warning | AMA | Moore, Potter | 48 min |
| Apr 10, 10:10 PM CDT | Severe Thunderstorm Warning | AMA | Hansford, Hutchinson | 65 min |
| Apr 10, 10:22 PM CDT | Tornado Warning | AMA | Hutchinson | 33 min |
| Apr 10, 10:49 PM CDT | Severe Thunderstorm Warning | AMA | Gray | 61 min |
| Apr 10, 10:55 PM CDT | Tornado Warning | AMA | Hansford | 35 min |
| Apr 10, 11:37 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill | 68 min |
| Apr 10, 11:46 PM CDT | Severe Thunderstorm Warning | AMA | Collingsworth, Wheeler | 59 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2001Severe 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.