Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 123, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Jun 20, 2000, 11:36 PM CDT for Cimarron County, Oklahoma. It was in force for 54 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
- Jun 20, 2000, 11:36 PM CDT (04:36 UTC)
- Expired
- Jun 21, 2000, 12:30 AM CDT
- In force
- 54 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Cimarron County, OK
The radar
The Amarillo radar (KAMA), 183 km from the middle of the area, began a volume at 04:38 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 |
|---|---|---|---|
| Jun 21, 12:05 AM CDT | Thunderstorm Wind 61 E | Keyes, OK | Police Department reported large tree limbs down in the city. |
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 |
|---|---|---|---|
| Jun 20, 11:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 4.6 hours before the alert went out and 184 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
- 337 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 3019 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- 8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.5
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Jun 20, 10:08 PM CDT, 1 hour 28 minutes earlier.
Area forecast discussion, Jun 20, 10:08 PM CDT, 1 hour 28 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION NATIONAL WEATHER SERVICE AMARILLO TX 1008 PM CDT TUE JUN 20 2000 WL LEAVE POPS ALONE FOR NOW. STRONG CONVECTION ORGANIZING IN SE CO AND NE NM. FURTHER E...CONVECTION STRUGGLING IN MOST UNSTABLE AIR WHERE LONE STORM HAS MOVED S OF FA. ADDITIONAL STORMS IN SRN KS VERY SLOWLY BUILDING W ALSO. LATEST ETA/00Z RUC SHOWING THESE AREAS MERGING AFT MIDNIGHT WITH CONVECTION ENDING UP WHERE HIGHEST POPS EXIST IN NE ZNS. .AMA... TX...NONE. OK...NONE. COBB
In the hours before
Special weather statement, Jun 20, 7:51 PM CDT, 3 hours 45 minutes before
OKZ002-003-TXZ002>005-007>015-017>020-210600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 751 PM CDT TUE JUN 20 2000 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS CLEARED A PORTION OF SEVERE THUNDERSTORM WATCH 472. COUNTIES CLEARED INCLUDE: IN THE TEXAS PANHANDLE: OLDHAM... OLDHAM COUNTY WAS NOT INTENDED TO BE INCLUDED IN THE WATCH. SEVERE THUNDERSTORM WATCH 472 REMAINS VALID UNTIL 100 AM CDT WEDNESDAY FOR THE FOLLOWING COUNTIES: IN THE OKLAHOMA PANHANDLE: TEXAS...BEAVER... IN THE TEXAS PANHANDLE: SHERMAN...HANSFORD...OCHILTREE...POTTER...LIPSCOMB...MOORE... HUTCHINSON...ROBERTS...HEMPHILL...CARSON...GRAY...WHEELER... RANDALL...ARMSTRONG...DONLEY...COLLINGSWORTH... SC
Local storm report, Jun 20, 9:59 PM CDT, 1 hour 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
959 PM CDT TUE JUN 20 2000
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0900 PM 6 S CLARENDON TX 60 MPH TSTM GUST
06/20/00 DONLEY REPORTED BY LAW
ENFORCEMENT OFFICIAL.
PINSON/WOLTERSThe office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 8:43 PM CDT | Severe Thunderstorm Warning | AMA | Donley | 62 min |
| Jun 20, 11:16 PM CDT | Severe Thunderstorm Warning | AMA | Dallam | 59 min |
| Jun 21, 1:46 AM CDT | Severe Thunderstorm Warning | AMA | Ochiltree | 29 min |
| Jun 21, 2:06 AM CDT | Severe Thunderstorm Warning | AMA | Lipscomb | 39 min |
| Jun 21, 12:16 AM CDT | Severe Thunderstorm Warning | AMA | Texas | 59 min |
| Jun 21, 1:22 AM CDT | Severe Thunderstorm Warning | AMA | Beaver, Texas | 58 min |
| Jun 21, 2:17 AM CDT | Severe Thunderstorm Warning | AMA | Beaver | 28 min |
| Jun 21, 2:44 AM CDT | Severe Thunderstorm Warning | AMA | Beaver | 16 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 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.