Alert archive / North Dakota / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 8, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 3, 1986, 4:37 PM CDT for LaMoure County, North Dakota. It was in force for 33 min.
The area
The counties it named.
The facts
- Issued
- Jun 3, 1986, 4:37 PM CDT (21:37 UTC)
- Expired
- Jun 3, 1986, 5:10 PM CDT
- In force
- 33 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County LaMoure County, ND
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
Bismarck Municip, ND (KBIS), launched 12:00Z, 9.6 hours before the alert went out and 169 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
- 117 J/kg
- Mixed-layer CIN
- -419 J/kg
- Mixed-layer LCL
- 1807 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 236 m²/s²
- 0-3 km storm-relative helicity
- 195 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 KBIS 032149 COR SVRBIS NDC045-047-032210- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING..CORRECTION NATIONAL WEATHER SERVICE BISMARCK ND 437 PM CDT TUE JUN 3 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 510 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF SOUTH CENTRAL NORTH DAKOTA..LOGAN SOUTHEAST NORTH DAKOTA..LA MOURE AT 437 PM CDT A SEVERE THUNDERSTORM WAS LOCATED 24 MILES NORTH OF KULM NORTH DAKOTA OR 40 MILES SOUTHWEST OF JAMESTOWN NORTH DAKOTA AND WAS MOVING EAST AT 35 MPH. IF YOU ARE IN OR NEAR THE WARNED AREA CONSIDER GETTING INTO A REINFORCED SHELTER. SEVERE THUNDERSTORMS CAN BE DEADLY DUE TO..LIGHTNING..HAIL..HEAVOY RAINS..FLASH FLOODS..AND STRONG WINDS. ALSO THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING. KS 2137Z
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, Jun 3, 3:42 PM CDT, 55 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 340 PM CDT TUE JUN 3 1986 AT 330 PM CDT...ISOLATED THUNDERSTORMS WITH VERY HEAVY RAIN WERE DEVELOPING RAPIDLY OVER WEST CENTRAL MINNESOTA BETWEEN FARGO AND DETROIT LAKES. THE STRONGEST THUNDERSTORMS WERE IN A SMALL CLUSTER BETWEEN HAWLEY AND LAKE PARK OR ABOUT 15 MILES WEST OF DETROIT LAKES MINNESOTA. ANOTHER THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED 20 MILES EAST OF JAMESTOWN IN EXTREME WESTERN BARNES COUNTY. THE THUNDERSTORMS NEAR DETROIT LAKES SHOULD BE MOVING THROUGH THE DETROIT LAKES AREA BY 430 PM CDT. THE STORM EAST OF JAMESTOWN SHOULD BE MOVING INTO THE VALLEY CITY AREA OF EAST CENTRAL NORTH DAKOTA BY 430 PM CDT. CONDITIONS ARE GOOD FOR THE CONTINUED DEVELOPMENT OF THESE THUNDER- STORMS. YOU SHOULD STAY ALERT FOR THREATENING WEATHER AND STAY TUNED TO RADIO AND T.V. AS WELL AS NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. IN ADDITION...WIDELY SCATTERED THUNDERSTORMS AND RAINSHOWERS CONTINUED OVER PARTS OF NORTHWEST AND WEST CENTRAL MINNESOTA AS WELL AS NORTHEAST NORTH DAKOTA. THE STRONGEST THUNDERSTORMS WERE IN THE BEMIDJI/LEECH LAKE AREAS. MOVEMENT OF ALL THE THUNDERSTORMS AND RAINSHOWERS WAS EAST AT 25 MILES AN HOUR. EWENS
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 3:52 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 53 min |
| Jun 3, 5:03 PM CDT | Severe Thunderstorm Warning | FGF | Dickey, LaMoure | 42 min |
| Jun 3, 5:48 PM CDT | Severe Thunderstorm Warning | FGF | Dickey, LaMoure | 57 min |
| Jun 3, 6:16 PM CDT | Severe Thunderstorm Warning | FGF | Dickey | 59 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 1986Every severe thunderstorm warning in 1986
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.