Alert archive / North Dakota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 37, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jul 2, 1990, 3:08 PM CDT for Divide County, North Dakota. 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
- Jul 2, 1990, 3:08 PM CDT (20:08 UTC)
- Expired
- Jul 2, 1990, 4:00 PM CDT
- In force
- 52 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County Divide County, ND
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 |
|---|---|---|---|
| Jul 2, 3:31 PM CDT | Thunderstorm Wind 52 | Divide, ND | |
| Jul 2, 3:45 PM CDT | Thunderstorm Wind 0 | Divide, 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
Glasgow Intl Airport, MT (KGGW), launched 12:00Z, 8.1 hours before the alert went out and 239 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
- 5 J/kg
- Mixed-layer CIN
- -568 J/kg
- Mixed-layer LCL
- 2107 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 115 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 KISN 022008
SVRISN
NDC023-022100-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILLISTON ND
308 PM CDT MON JUL 2 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 400 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE NORTHWEST PART OF NORTH DAKOTA
DIVIDE...THE TOWN OF FORTUNA
AT (255 PM CDT WILLISTON RADAR INDICATED A SEVERE THUNDERSTORM
45 MILES NORTHWEST OF WILLISTON OR NEAR THE TOWN OF FORTUNA IN
NORTHWEST DIVIDE COUNTY. THIS STORM IS MOVING TO THE EAST AT
30 MPH. VERY HEAVY RAINS...STRONG WINDS...DANGEROUS LIGHTNING
AND MARBLE SIZE HAIL HAVE BEEN REPORTED BY A STORM REPORTER.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADWAYS QUICKLY...
AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE FOR
DAMAGING WINDS...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE
SHOULD MOVE TO SHELTER...PREFERABLY INSIDE A STRONG BUILDING. ONCE
INSIDE...STAY AWAY FROM WINDOWS.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
LEWISWhat 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 2, 12:21 PM CDT, 2 hours 47 minutes before
NDZ001>018-022200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 1220 PM CDT MON JUL 2 1990 ...A HOT AND MUGGY DAY ACROSS NORTH DAKOTA... WITH TEMPERATURES CLIMBING INTO THE 90S AND DEWPOINTS IN THE LOWER 70S THIS AFTERNOON WILL NOT ONLY BE UNPLEASANT...BUT ALSO POTENTIALLY DANGEROUS FOR NORTH DAKOTANS. PERSONS SHOULD LIMIT OUTDOOR ACTIVITIES AS MUCH AS POSSIBLE AND DRINK PLENTY OF FLUIDS. TAKE ADVANTAGE OF SHADED AREAS AND AIR-CONDITIONED BUILDINGS WHEREVER POSSIBLE. DO NOT LEAVE PETS UNATTENDED IN VEHICLES...EVEN WITH THE WINDOWS PARTIALLY OPEN. HEAT STROKE CAN BE DEADLY...SO BE CAUTIOUS. A COLD FRONT MOVING IN FROM THE NORTHERN ROCKIES TUESDAY MORNING WILL BRING SOME RELIEF FROM THE HEAT AND HUMIDITY. LEBLANG
Special weather statement, Jul 2, 2:05 PM CDT, 1 hour 3 minutes before
NDZ001-022000-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLISTON ND
205 PM CDT MON JUL 02 1990
...VERY STRONG THUNDERSTORM DEVELOPING OVER NORTHWESTERN NORTH DAKOTA...
AT 200 PM CDT...NATIONAL WEATHER SERVICE RADAR IN WILLISTON INDICATED
A VERY STRONG THUNDERSTORM 50 MILES NORTH OF WILLISTON...NEAR THE TOWN
OF FORTUNA IN NORTHERN DIVIDE COUNTY. THIS STORM APPEARS TO BE
DEVELOPING RAPIDLY AND HAS THE POTENTIAL FOR HEAVY RAIN AND VERY
{STRONG WINDS. MOVEMENT IS TO THE EAST AT 25 MPH.
LEWISThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 1:18 AM CDT | Severe Thunderstorm Warning | BIS | Divide | 42 min |
| Jul 2, 3:57 PM CDT | Severe Thunderstorm Warning | BIS | Divide, Williams | 63 min |
| Jul 2, 4:18 PM CDT | Severe Thunderstorm Warning | BIS | Burke | 57 min |
| Jul 2, 5:17 PM CDT | Severe Thunderstorm Warning | BIS | Burke | 58 min |
| Jul 2, 5:59 PM CDT | Severe Thunderstorm Warning | BIS | Renville, Ward | 61 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 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.