Alert archive / Oklahoma / Tornado Watches in 1998
Tornado Watch 138
The Storm Prediction Center issued this tornado watch at Mar 29, 1998, 11:15 PM CST for 19 counties in Oklahoma; 16 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 29, 1998, 11:15 PM CST (05:15 UTC)
- Expired
- Mar 30, 1998, 5:00 AM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 35 counties
Alfalfa County, OK, Beaver County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Comanche County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Kiowa County, OK, Major County, OK, Roger Mills County, OK, Texas County, OK, Washita County, OK, Woods 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, Moore County, TX, Ochiltree County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Wheeler County, TX
Warnings issued inside it
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 11:17 PM CST | Severe Thunderstorm Warning | AMA | Beaver | 63 min |
| Mar 29, 11:49 PM CST | Severe Thunderstorm Warning | AMA | Ochiltree | 61 min |
| Mar 30, 12:38 AM CST | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb | 47 min |
| Mar 30, 1:16 AM CST | Severe Thunderstorm Warning | OUN | Harper, Woods | 44 min |
| Mar 30, 1:41 AM CST | Severe Thunderstorm Warning | OUN | Ellis | 49 min |
| Mar 30, 2:17 AM CST | Severe Thunderstorm Warning | OUN | Harper, Woodward | 43 min |
| Mar 30, 3:22 AM CST | Severe Thunderstorm Warning | OUN | Woodward | 23 min |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 5.3 hours before the alert went out and 115 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
- 3830 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 244 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Mar 29, 10:45 PM CST | Severe Thunderstorm Watch | SPC | Harper | 6 hr |
| Mar 30, 1:00 PM CST | Tornado Watch | SPC | Atoka, Bryan, Carter, Cherokee, Choctaw, Cleveland and 37 more | 7 hr |
| Mar 30, 3:15 PM CST | Tornado Watch | SPC | Bosque, Brown, Collin, Comanche, Coryell, Dallas and 24 more | 5 hr |
Nearby
Tornado Watches in Oklahoma, 1998Tornado Watches in Texas, 1998Every tornado watch in 1998
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.