Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 92, NWS Omaha, NE
NWS Omaha, NE issued this severe thunderstorm warning at Sep 5, 1992, 5:05 PM CDT for Cass County, Nebraska. It was in force for 55 min. 1 report 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
- Sep 5, 1992, 5:05 PM CDT (22:05 UTC)
- Expired
- Sep 5, 1992, 6:00 PM CDT
- In force
- 55 min
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
County Cass County, NE
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 5, 5:10 PM CDT | Hail 1.75 | Cass, NE |
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 (KOVN), launched 12:00Z, 10.1 hours before the alert went out and 49 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
- 514 J/kg
- Mixed-layer CIN
- -162 J/kg
- Mixed-layer LCL
- 622 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 174 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.2
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, Sep 5, 2:21 PM CDT, 2 hours 44 minutes before
NEZ010-020-IAZ080-090-091-052130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 220 PM CDT SAT SEP 5 1992 AT 200 PM CDT A LINE OF THUNDERSTORMS HAD STRENGTHENED OVER EXTREME EASTERN NEBRASKA. THE LINE WAS LOCATED FROM JUST WEST OF FREMONT...OR 30 MILES NORTHWEST OF OMAHA...TO ONAWA IOWA...OR 50 MILES NORTH OF OMAHA. THE STRONGEST STORMS WERE LOCATED OVER BURT COUNTY...OR 40 MILES NORTH OF OMAHA...JUST EAST OF LYONS...OAKLAND...AND SCRIBNER. THE STORMS WERE MOVING TO THE EAST NORTHEAST AT 25 MPH. THE TOWNS OF DECATUR AND TEKAMAH WILL HAVE SOME HEAVY RAIN SHOWERS...GUSTY WINDS... AND POSSIBLY SMALL HAIL AFTER 230 PM AS THESE STORMS PASS THROUGH. ANDERSON
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 5, 4:23 PM CDT | Severe Thunderstorm Warning | OAX | Nemaha | 52 min |
| Sep 5, 5:16 PM CDT | Tornado Warning | OAX | Cass | 29 min |
| Sep 5, 5:20 PM CDT | Severe Thunderstorm Warning | OAX | Nemaha, Richardson | 55 min |
| Sep 5, 5:38 PM CDT | Flash Flood Warning | OAX | Nemaha | 4 hr |
| Sep 5, 6:08 PM CDT | Flash Flood Warning | OAX | Pawnee | 4 hr |
| Sep 5, 6:08 PM CDT | Severe Thunderstorm Warning | OAX | Pawnee | 6 hr |
| Sep 5, 6:14 PM CDT | Flash Flood Warning | OAX | Richardson | 4 hr |
| Sep 5, 5:37 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 38 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1992Every severe thunderstorm warning in 1992
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.