Alert archive / North Dakota / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 20, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 9, 1992, 2:58 PM CDT for Griggs County, Steele County, North Dakota. It was in force for 62 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
- Jul 9, 1992, 2:58 PM CDT (19:58 UTC)
- Expired
- Jul 9, 1992, 4:00 PM CDT
- In force
- 62 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
Counties Griggs County, ND, Steele County, ND
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 9, 3:03 PM CDT | Hail 1.75 | Griggs, ND | |
| Jul 9, 3:35 PM CDT | Hail 1.75 | Steele, ND |
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
Bismarck Municip, ND (KBIS), launched 12:00Z, 8.0 hours before the alert went out and 219 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
- 13 J/kg
- Mixed-layer CIN
- -170 J/kg
- Mixed-layer LCL
- 916 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 44 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 KFAR 092000 SVRFAR NDC039-091-092100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE FARGO ND 258 PM CDT THU JUL 9 1992 THE NATIONAL WEATHER SERVICE IN FARGO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL NORTH DAKOTA ...GRIGGS COUNTY...STEELE COUNTY AT 255 PM...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM 45 MILES SOUTHEAST OF DEVILS LAKE. MOVEMENT IS TO THE SOUTHEAST AT 25 MILES AN HOUR. THIS WARNING INCLUDES THE CITIES OF COOPERSTOWN...SHARON...AND FINLEY. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS. WELVAERT
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 9, 1:14 PM CDT, 1 hour 44 minutes before
NDZ012-013-015-016-017-091900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FARGO ND 113 PM CDT THU JUL 9 1992 ..STRONG THUNDERSTORMS RAPIDLY DEVELOPING OVER NORTHEAST NORTH DAKOTA... AT 105 PM...RADAR INDICATED STRONG THUNDERSTORMS DEVELOPING OVER PARTS OF NORTHEAST NORTH DAKOTA. THE STRONGEST STORM WAS CURRENTLY LOCATED 20 MILES SOUTHEAST OF DEVILS LAKE. THIS STORM IS LIKELY TO BE PRODUCING FREQUENT LIGHTNING STRIKES...VERY HEAVY RAIN AND SOME SMALL HAIL. MOVEMENT IS TO THE SOUTHEAST AT AROUND 25 MILES AN HOUR. PERSONS ACROSS NORTHEAST NORTH DAKOTA SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND SEEK SHELTER IF THREATENING WEATHER APPROACHES. WELVAERT
Special weather statement, Jul 9, 1:47 PM CDT, 1 hour 11 minutes before
NDZ012-013-015-016-017-MNZ001-006-007-010-092000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FARGO ND 145 PM CDT THU JUL 9 1992 ...STRONG THUNDERSTORMS OVER PARTS OF NORTHEAST NORTH DAKOTA AND NORTHWEST MINNESOTA... AT 130 PM...RADAR INDICATED AN AREA OF SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAINS AND SOME SMALL HAIL...OVER PARTS OF NORTHEAST NORTH DAKOTA AND NORTHWEST MINNESOTA. THIS AREA WAS 120 MILES WIDE AND EXTENDED FROM 40 MILES NORTH OF DEVILS LAKE...EASTWARD TO NEAR BEMIDJI. THE STRONGEST STORMS WERE OVER NORTHEAST NORTH DAKOTA...ONE WAS 25 MILES NORTHEAST OF DEVILS LAKE NEAR EDMORE...AND ANOTHER WAS 30 MILES SOUTHEAST OF DEVILS LAKE NEAR WARWICK. THESE STORMS WERE LIKELY TO BE PRODUCING VERY HEAVY RAINS...DANGEROUS LIGHTNING...AND SOME SMALL HAIL. MOVEMENT WAS TO THE SOUTHEAST AT 25 MILES AN HOUR. PERSONS ACROSS THE REGION SHOULD REMAIN ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS...AND BE PREPAREDA TO TAKE COVER IF THREATENING WEATHER APPROACHES. STAY TUNED TO LOCAL TELEVISION AND RADIO STATIONS...AS WELL AS NOAA WEATHER RADIO FOR LATER STATEMENTS. WELVAERT
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 2:07 PM CDT | Severe Thunderstorm Warning | FGF | Griggs, Nelson | 53 min |
| Jul 9, 2:19 PM CDT | Severe Thunderstorm Warning | FGF | Nelson | 41 min |
| Jul 9, 4:00 PM CDT | Severe Thunderstorm Warning | FGF | Steele | 60 min |
| Jul 9, 4:20 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Traill | 55 min |
| Jul 9, 4:33 PM CDT | Tornado Warning | FGF | Cass | 27 min |
| Jul 9, 4:56 PM CDT | Tornado Warning | FGF | Cass | 34 min |
| Jul 9, 5:07 PM CDT | Severe Thunderstorm Warning | FGF | Traill | 68 min |
| Jul 9, 5:43 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 47 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 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.