Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 2, NWS Omaha, NE
NWS Omaha, NE issued this severe thunderstorm warning at Mar 13, 1990, 1:36 AM CST for Douglas County, Nebraska; Pottawattamie County, Iowa. It was in force for 69 min.
The area
The counties it named.
The facts
- Issued
- Mar 13, 1990, 1:36 AM CST (07:36 UTC)
- Expired
- Mar 13, 1990, 2:45 AM CST
- In force
- 69 min
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
Counties Pottawattamie County, IA, Douglas County, NE
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 7.6 hours before the alert went out and 44 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
- 3518 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 233 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KOMA 130736
SVROMA
NEC055-IAC155-130845-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE OMAHA NE
136 AM CST TUE MAR 13 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 245 AM CST FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE EAST CENTRAL PART OF NEBRASKA
DOUGLAS...
IN THE WEST CENTRAL PART OF IOWA
POTTAWATTAMIE...
...THIS WARNING INCLUDES THE OMAHA/COUNCIL BLUFFS METROPOLITAN
AREA...
AT 130 AM CST A LINE OF SEVERE THUNDERSTORMS WAS MOVING NORTHEAST
INTO DOUGLAS COUNTY NEBRASKA AND POTTAWATTAMIE COUNTY IOWA. THESE
STORMS PRODUCED GOLF BALL SIZED HAIL NEAR LOUISVILLE...25 MILES
SOUTH OFL OMAHA...AT 120 AM.
PEOPLE IN THE WARNED AREA SHOULD GET INTO A REINFORCED SHELTER AND
PREPARE FOR DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN...AND
DANGEROUS LIGHTNING.
CHERMOKWhat 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 12, 10:45 PM CST, 2 hours 51 minutes before
NEZ010-015-019-020-130600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 1040 PM CST MON MAR 12 1990 ...SCATTERED THUNDERSTORMS WERE OVER SECTIONS OF SOUTHEAST NEBRASKA AND SOUTHWEST IOWA... AT 1030 PM NATIONAL WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS MOVING INTO NEBRASKA WEST OF BEATRICE OR ABOUT 55 MILES SOUTHWEST OF LINCOLN. OTHER THUNDERSTORMS WERE RUMBLING OVER SOUTHEAST POTTAWATTAMIE COUNTY OF SOUTHWEST IOWA...OR AROUND 35 MILES SOUTHEAST OF OMAHA. THESE THUNDERSTORMS COULD PRODUCE SOME SMALL HAIL ALONG WITH BRIEF DOWNPOURS AND GUSTY WINDS AS THEY CONTINUE TO MOVE NORTHEAST AT 45 MPH. CHERMOK
Special weather statement, Mar 13, 12:35 AM CST, 1 hour 1 minute before
NEZ010-015-019-020-IAZ012-130800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 1235 AM CST TUE MAR 13 1990 ...STRONG THUNDERSTORMS ACROSS SOUTHEAST NEBRASKA AND INTO SOUTHWEST IOWA... AT 1230 AM CST A BAND OF STRONG THUNDERSTORMS ABOUT 20 MILES WIDE WAS LOCATED ACROSS SOUTHEAST NEBRASKA INTO EXTREME SOUTHWEST IOWA WITH THE LEADING EDGE EXTENDING FROM JUST SOUTH OF LINCOLN EAST TO SIDNEY IOWA OR ABOUT 40 MILES SOUTH OF DOWNTOWN
Special weather statement, Mar 13, 1:25 AM CST, 11 minutes before
NEZ-004-009-120600 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORFOLK NE 130 AM CST TUE MAR 13 1990 ...THUNDERSTORMS DEVELOPING OVER NORTHEAST NEBRASKA... AT ABOUT 1:15 AM NORFOLK RADAR INDICATED AN AREA OF STRONG THUNDERSTORMS NEAR ALBION IN BOONE COUNTY. THESE STORMS WERE DEVELOPING RAPIDLY AND MOVING TO THE NORTH-NORTHEAST AT ABOUT 40 MPH. THE STORMS WILL BE MOVING INTO THE NORFOLK...PIERCE AND NELIGH AREAS DURING THE NEXT HOUR...AN7D MAY CONTAIN VERY HEAVY RAIN AND SMALL HAIL. DK
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 13, 1:02 AM CST | Severe Thunderstorm Warning | OAX | Cass, Sarpy | 43 min |
| Mar 13, 2:06 AM CST | Severe Thunderstorm Warning | OAX | Sarpy | 54 min |
| Mar 13, 8:45 AM CST | Severe Thunderstorm Warning | OAX | Dodge, Washington | 30 min |
| Mar 13, 4:16 PM CST | Severe Thunderstorm Warning | OAX | Sarpy | 59 min |
| Mar 13, 4:16 PM CST | Severe Thunderstorm Warning | OAX | Cass, Otoe | 59 min |
| Mar 13, 4:46 PM CST | Severe Thunderstorm Warning | OAX | Douglas, Sarpy | 44 min |
| Mar 13, 4:46 PM CST | Severe Thunderstorm Warning | OAX | Cass | 44 min |
| Mar 13, 2:24 AM CST | Severe Thunderstorm Warning | OAX | Harrison | 51 min |
| Mar 13, 10:27 AM CST | Severe Thunderstorm Warning | OAX | Harrison | 33 min |
| Mar 13, 1:38 PM CST | Severe Thunderstorm Warning | OAX | Shelby | 20 min |
| Mar 13, 3:55 PM CST | Severe Thunderstorm Warning | OAX | Montgomery, Page | 30 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; the sounding from the Mesonet's radiosonde archive.