Alert archive / North Dakota / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 41, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 3, 1986, 9:56 PM CDT for Barnes County, North Dakota. It was in force for 64 min.
The area
The counties it named.
The facts
- Issued
- Jul 3, 1986, 9:56 PM CDT (02:56 UTC)
- Expired
- Jul 3, 1986, 11:00 PM CDT
- In force
- 64 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Barnes 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 00:00Z, 2.9 hours before the alert went out and 201 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
- 3938 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1631 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFAR 040308 COR SVRFAR NDC003-040400- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING...CORRECTION NATIONAL WEATHER SERVICE FARGO ND 956 PM CDT THU JUL 3 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF EAST CENTRAL NORTH DAKOTA...BARNES AND THE CITY OF VALLEY CITY AT 940 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 25 MILES NORTHEAST OF JAMESTOWN NORTH DAKOTA OR JUST WEST OF BALDHILL DAM OF EAST CENTRAL NORTH DAKOTA. THIS THUNDERSTORM WAS MOVING TO THE EAST AT 35 MILES AN HOUR. AT 940 PM GOLF BALL SIZE HAIL WAS REPORTED BY THE HIGHWAY PATROL 15 MILES NORTHWEST OF VALLEY CITY NORTH DAKOTA OR AT THE TOWN OF RODGERS. REMEMBER...SEVERE THUNDERSTORMS CAN PRODUCE DAMAGING WINDS IN EXCESS OF 58 MPH AND/OR HAIL 3/4 OF AN INCH OR LARGER...DEADLY LIGHTNING... AND HEAVY RAINS THAT CAN QUICKLY FLOOD A LOW LYING AREA. THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING...SO YOU SHOULD BE ON THE LOOKOUT AND BE PREPARED TO MOVE TO A PLACE OF SAFETY. IF THREATENING WEATHER APPROACHES...YOU SHOULD GO TO A PLACE OF SAFETY IMMEDIATELY. REPORT ALL SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT AGENCY AFTER THE STORM PASSES. DM/MB
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
Local storm report, Jul 3, 9:23 PM CDT, 33 minutes before
STORM REPORTS
NATIONAL WEATHER SERVICE FARGO ND
900 PM CDT THU JUL 3 1986
TIME EVENT
600 PM CDT 1/4 INCH HAIL 13 MILES NORTHWEST AND 7 MILES WEST OF
LANGDON NORTH DAKOTA. REPORTED BY CO-OP OBSERVERS IN
CAVALIER COUNTY.
600 PM CDT 1/2 INCH TO 3/4 INCH HAIL REPORTED BY CO-OP OBSERVER
8 MILES NORTHEAST OF STARKWEATHER NORTH DAKOTA.
650 PM CDT GOLFBALL SIZE HAIL REPORTED BY HAM RADIO OPERATOR 2 MILES
NORTH OF DEVILS LAKE NORTH DAKOTA.
710 PM CDT 1/4 INCH HAIL AT NEKOMA AND UNION IN CAVALIER COUNTY OF
NORTHEAST NORTH DAKOTA.
740 PM CDT 10 MILES NORTH OF BORDULAC IN FOSTER COUNTY OF NORTH DAKOTA
LAW ENFORCEMENT OFFICIAL REPORTED MARBLE SIZE HAIL...HEAVY
RAIN...AND STRONG WINDS.
746 PM CDT LAW ENFORCEMENT OFFICIAL AT LAKOTA NORTH DAKOTA REPORTED
PEA SIZE HAIL...HEAVY RAIN...AND GUSTY WINDS.
749 PM CDT PEA SIZE HAIL...HEAVY RAIN...AND GUSTY WINDS AT CARRINGTON
NORTH DAKOTA.
705 PM CDT CO-OP OBSERVER 12 MILES SOUTHWEST OF ADAMS NORTH DAKOTA IN
WALSH COUNTY REPORTED 70 MPH WINDS.
800 PM CDT CO-OP OBSERVER AT MCHENzRY NORTH DAKOTA IN FOSTER COUNTY
REPORTED GOLFBALL SIZE HAIL.
MBThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 8:09 PM CDT | Severe Thunderstorm Warning | FGF | Griggs, Nelson | 51 min |
| Jul 3, 9:01 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Griggs | 59 min |
| Jul 3, 9:43 PM CDT | Tornado Warning | FGF | Traill | 47 min |
| Jul 3, 10:28 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Traill | 62 min |
| Jul 3, 11:56 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 64 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.