Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 55, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at Jul 18, 1992, 8:09 PM CDT for Merrick County, Nance County, Polk County, Nebraska. It was in force for 36 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
- Jul 18, 1992, 8:09 PM CDT (01:09 UTC)
- Expired
- Jul 18, 1992, 8:45 PM CDT
- In force
- 36 min
- Issued by
- NWS Hastings, NE
- Area
- Whole counties
Counties Merrick County, NE, Nance County, NE, Polk County, NE
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 18, 8:55 PM CDT | Hail 1.75 | Polk, 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 00:00Z, 1.2 hours before the alert went out and 125 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
- 492 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 1668 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 5.6
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, Jul 18, 4:38 PM CDT, 3 hours 31 minutes before
NEZ008-013>015-017>019-182245- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE GRAND ISLAND NE 437 PM CDT SAT JUL 18 1992 ...A TORNADO WATCH CONTINUES FOR MUCH OF CENTRAL NEBRASKA UNTIL 900 PM CDT... AT 425 PM CDT...THUNDERSTORMS WERE INCREASING IN NUMBER AND INTENSITY OVER NORTH CENTRAL NEBRASKA. THE STORMS WERE NORTH OF A LINE EXTENDING FROM O`NEIL...TO BROKEN BOW... ...TO MULLEN AND EAST OF A LINE FROM MULLEN TO VALENTINE. THE STRONGEST THUNDERSTORMS WERE 22 MILES EAST OF MULLEN...AND 25 MILES WEST OF AINSWORTH. THESE STORMS ARE CAPABLE OF PRODUCING VERY HEAVY RAINS...STRONG GUSTY WINDS...HAIL..AND DANGEROUS LIGHTNING. A LONE THUNDERSTORM WAS OVER SOUTHWEST NEBRASKA 25 MILES WEST OF MCCOOK. ^ MOVEMENT OF ALL THE THUNDERSTORMS WAS TO THE SOUHEAST AT 20 MILES AN HOUR. PERSONS IN SOUTH CENTRAL NEBRASKA SHOULD CONTINUE TO MONITOR THE WEATHER SITUATION CLOSELY FOR THE REMAINDER OF THE AFTERNOON AND THIS EVENING. LISTEN FOR LATER STATEMENTS CONCERNING THE THREAT OF SEVERE WEATHER. DAS
Special weather statement, Jul 18, 5:40 PM CDT, 2 hours 29 minutes before
NEZ008-013>015-017>019-182345- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE GRAND ISLAND NE 540 PM CDT SAT JUL 18 1992 ...A TORNADO WATCH CONTINUES FOR MUCH OF CENTRAL NEBRASKA UNTIL 900 PM CDT... AT 525 PM CDT...THUNDERSTORMS...SOME STRONG...WERE OVER PORTIONS OF NORTH CENTRAL AND CENTRAL NEBRASKA. THESE STORMS WERE WEST OF A LINE EXTENDING FROM 40 MILES NORTHWEST OF O`NEIL...TO O`NEIL...TO 10 MILES SOUTHEAST OF BROKEN BOW. THEY WERE NORTH OF A LINE EXTENDING FROM 10 MILES SOUTHEAST OF BROKEN BOW... TO 25 MILES NORTHWEST OF NORTH PLATTE. THE STRONGEST STORMS WERE 15 MILES NORTH AND 10 MILES WEST OF BROKEN BOW AND ALSO 10 MILES EAST OF AINSWORTH. THESE STORMS ARE CAPABLE OF PRODUCING VERY HEAVY RAINS...HAIL...GUSTY WINDS...AND DANGEROUS LIGHTNING. ^ OTHER THUNDERSTORMS WERE DEVELOPING RAPIDLY OVER SOUTH CENTRAL NEBRASKA FROM SOUTH OF LEXINGTON...TO SOUTH OF GOTHENBURG. ALL THE STORMS WERE MOVING SOUTHEAST AT 20 MILES AN HOUR. PEOPLE IN SOUTH CENTRAL NEBRASKA SHOULD CONTINUE TO MONITOR THE WEAHTHER SITUATION CLOSELY THIS EVENING. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. DAS
The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 7:04 PM CDT | Tornado Warning | GID | Buffalo, Dawson | 26 min |
| Jul 18, 7:09 PM CDT | Severe Thunderstorm Warning | GID | Phelps | 36 min |
| Jul 18, 7:30 PM CDT | Tornado Warning | GID | Buffalo, Kearney | 30 min |
| Jul 18, 7:30 PM CDT | Tornado Warning | GID | Dawson | 30 min |
| Jul 18, 7:48 PM CDT | Tornado Warning | GID | Harlan, Phelps | 27 min |
| Jul 18, 7:57 PM CDT | Severe Thunderstorm Warning | GID | Valley | 33 min |
| Jul 18, 8:03 PM CDT | Tornado Warning | GID | Adams, Kearney | 27 min |
| Jul 18, 8:12 PM CDT | Severe Thunderstorm Warning | GID | Gosper, Phelps | 33 min |
| Jul 18, 8:35 PM CDT | Severe Thunderstorm Warning | GID | Adams, Clay, Nuckolls, Webster | 25 min |
| Jul 18, 8:35 PM CDT | Severe Thunderstorm Warning | GID | Fillmore | 25 min |
| Jul 18, 8:50 PM CDT | Severe Thunderstorm Warning | GID | Polk, York | 25 min |
| Jul 18, 9:15 PM CDT | Tornado Warning | GID | York | 30 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.