Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 16, NWS Omaha, NE
NWS Omaha, NE issued this severe thunderstorm warning at Mar 13, 1990, 10:23 PM CST for Washington County, Nebraska; Harrison County, Iowa. It was in force for 52 min. 2 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
- Mar 13, 1990, 10:23 PM CST (04:23 UTC)
- Expired
- Mar 13, 1990, 11:15 PM CST
- In force
- 52 min
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
Counties Harrison County, IA, Washington County, NE
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 13, 10:30 PM CST | Thunderstorm Wind 67 | Harrison, IA | |
| Mar 13, 10:30 PM CST | Thunderstorm Wind 67 | Harrison, IA |
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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 4.4 hours before the alert went out and 43 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
- 3595 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 98 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.
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.
In the hours before
Special weather statement, Mar 13, 8:14 PM CST, 2 hours 9 minutes before
NEZALL- SPECIAL WEATHER STATEMENT...CORRECTED WATCH NATIONAL WEATHER SERVICE OMAHA NE 815 PM CST TUE MAR 13 1990 IN NEBRASKA TORNADO WATCH NUMBER 75 IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES... < ZONE 4...NORTHEAST ANTELOPE...KNOX. < ZONE 9...NORTHEAST BOONE. < ZONE 14...CENTRAL BUFFALO...HALL...HAMILTON...HOWARD...MERRICK...NANCE...SHERMAN. < ZONE 18...SOUTH CENTRAL ADAMS...CLAY...FRANKLIN...KEARNEY...NUCKOLLS...WEBSTER. < POLLACK
Local storm report, Mar 13, 8:39 PM CST, 1 hour 44 minutes before
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</html>The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 13, 7:03 PM CST | Tornado Warning | OAX | Butler | 27 min |
| Mar 13, 7:33 PM CST | Tornado Warning | OAX | Butler | 27 min |
| Mar 13, 7:49 PM CST | Tornado Warning | OAX | Dodge, Saunders | 46 min |
| Mar 13, 8:04 PM CST | Severe Thunderstorm Warning | OAX | Jefferson, Saline, Seward | 56 min |
| Mar 13, 8:06 PM CST | Tornado Warning | OAX | Butler | 24 min |
| Mar 13, 8:24 PM CST | Tornado Warning | OAX | Seward | 36 min |
| Mar 13, 9:11 PM CST | Severe Thunderstorm Warning | OAX | Lancaster | 64 min |
| Mar 13, 9:37 PM CST | Severe Thunderstorm Warning | OAX | Cass, Sarpy, Saunders | 68 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1990Severe Thunderstorm Warnings in Iowa, 1990Every severe thunderstorm warning in 1990
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.