Alert archive / Oklahoma / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 303
The Storm Prediction Center issued this severe thunderstorm watch at May 27, 2001, 7:00 PM CDT for 9 counties in Kansas; 14 counties in Oklahoma; 12 counties in Texas. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- May 27, 2001, 7:00 PM CDT (00:00 UTC)
- Expired
- May 27, 2001, 11:00 PM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 35 counties
Clark County, KS, Comanche County, KS, Grant County, KS, Haskell County, KS, Meade County, KS, Morton County, KS, Seward County, KS, Stanton County, KS, Stevens County, KS, Beaver County, OK, Beckham County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Kiowa County, OK, Roger Mills County, OK, Texas County, OK, Washita County, OK, Woodward County, OK, Armstrong County, TX, Carson County, TX, Collingsworth County, TX, Donley County, TX, Gray County, TX, Hansford County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Ochiltree County, TX, Roberts County, TX, Wheeler County, TX
The radar
The Amarillo radar (KAMA), 160 km from the middle of the area, began a volume at 00:03 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.
Warnings issued inside it
17 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 7:08 PM CDT | Tornado Warning | OUN | Harper | 52 min |
| May 27, 7:09 PM CDT | Severe Thunderstorm Warning | DDC | Morton | 51 min |
| May 27, 7:18 PM CDT | Severe Thunderstorm Warning | DDC | Seward, Stevens | 42 min |
| May 27, 7:33 PM CDT | Severe Thunderstorm Warning | OUN | Ellis, Woodward | 42 min |
| May 27, 7:37 PM CDT | Severe Thunderstorm Warning | AMA | Lipscomb | 53 min |
| May 27, 7:47 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 58 min |
| May 27, 8:15 PM CDT | Severe Thunderstorm Warning | OUN | Ellis, Woodward | 30 min |
| May 27, 8:26 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb | 94 min |
| May 27, 8:28 PM CDT | Severe Thunderstorm Warning | OUN | Dewey, Roger Mills | 47 min |
| May 27, 8:56 PM CDT | Severe Thunderstorm Warning | OUN | Custer | 34 min |
| May 27, 9:13 PM CDT | Tornado Warning | AMA | Hemphill | 47 min |
| May 27, 9:25 PM CDT | Severe Thunderstorm Warning | OUN | Beckham, Roger Mills | 65 min |
| May 27, 9:25 PM CDT | Severe Thunderstorm Warning | OUN | Washita | 65 min |
| May 27, 9:41 PM CDT | Severe Thunderstorm Warning | AMA | Wheeler | 79 min |
| May 27, 9:56 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Kiowa | 64 min |
| May 27, 10:32 PM CDT | Severe Thunderstorm Warning | OUN | Beckham, Greer | 58 min |
| May 27, 10:43 PM CDT | Severe Thunderstorm Warning | OUN | Jackson, Tillman | 62 min |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 0.0 hours before the alert went out and 160 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
- 2008 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 2400 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.4
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 9:00 PM CDT | Severe Thunderstorm Watch | SPC | Bryan, Caddo, Canadian, Carter, Cleveland, Coal and 17 more | 2 hr |
| May 27, 10:45 PM CDT | Severe Thunderstorm Watch | SPC | Beckham, Bryan, Caddo, Carter, Cleveland, Comanche and 18 more | 5 hr |
| May 27, 11:00 PM CDT | Severe Thunderstorm Watch | SPC | Atoka, Choctaw, Coal, Haskell, Hughes, Latimer and 11 more | 5 hr |
| May 28, 1:30 AM CDT | Severe Thunderstorm Watch | SPC | Anderson, Angelina, Bosque, Camp, Cass, Cherokee and 46 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Oklahoma, 2001Severe Thunderstorm Watches in Texas, 2001Severe Thunderstorm Watches in Kansas, 2001Every severe thunderstorm watch 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.