Alert archive / Oklahoma / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 201
The Storm Prediction Center issued this severe thunderstorm watch at Apr 25, 2005, 2:00 PM CDT for 38 counties in Oklahoma. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 25, 2005, 2:00 PM CDT (19:00 UTC)
- Expired
- Apr 25, 2005, 8:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 38 counties
Atoka County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Coal County, OK, Cotton County, OK, Craig County, OK, Creek County, OK, Garvin County, OK, Grady County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Kay County, OK, Lincoln County, OK, Logan County, OK, Mayes County, OK, McClain County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Noble County, OK, Nowata County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Rogers County, OK, Seminole County, OK, Stephens County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK
The radar
The Norman radar (KTLX), 19 km from the middle of the area, began a volume at 19:00 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
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 6:35 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Tulsa | 55 min |
| Apr 25, 6:50 PM CDT | Severe Thunderstorm Warning | OUN | Carter | 40 min |
| Apr 25, 7:28 PM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 26 min |
| Apr 25, 7:37 PM CDT | Severe Thunderstorm Warning | OUN | Johnston, Murray | 38 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Lamont, OK (KLMN), launched 12:00Z, 7.0 hours before the alert went out and 158 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 892 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 167 m²/s²
- 0-3 km storm-relative helicity
- 261 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 1:11 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Atoka, Blaine, Caddo, Canadian, Carter and 32 more | 64 min |
| Apr 25, 5:41 PM CDT | Mesoscale Discussion | SPC | Atoka, Canadian, Carter, Cleveland, Coal, Cotton and 32 more | 94 min |
| Apr 25, 6:13 PM CDT | Mesoscale Discussion | SPC | Choctaw, McCurtain, Pushmataha | 62 min |
Nearby
Severe Thunderstorm Watches in Oklahoma, 2005Every severe thunderstorm watch in 2005
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.