Alert archive / North Dakota / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 35, NWS Grand Forks, ND

June 26, 1986Nelson County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 26, 1986, 7:44 PM CDT for Nelson County, North Dakota. It was in force for 51 min. 3 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: Jun 26, 1986, 7:44 PM CDT (00:44 UTC)
Expired: Jun 26, 1986, 8:35 PM CDT
In force: 51 min
Issued by: NWS Grand Forks, ND
Area: Whole counties

County Nelson 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
Jun 26, 8:00 PM CDT	Hail 1.75	Nelson, ND
Jun 26, 8:00 PM CDT	Thunderstorm Wind 60	Nelson, ND
Jun 26, 8:00 PM CDT	Thunderstorm Wind 0	Nelson, 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 00:00Z, 0.7 hours before the alert went out and 228 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2112 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 2049 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 67 m²/s²
0-3 km storm-relative helicity: 113 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KFAR 270044
SVRFAR
NDC063-270135-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FARGO ND
744 PM CDT THU JUN 26 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 835 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

NORTHEAST NORTH DAKOTA...NELSON

AT 735 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES NORTHWEST
OF LAKOTA..ABOUT 25 MILES EAST OF DEVILS LAKE NORTH DAKOTA.
THIS SEVERE THUNDERSTORM WAS MOVING TO THE SOUTHEAST AT 35 MILES
AN HOUR.

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.

THIS STORM IS ACCOMPANIED BY INTENSE LIGHTNING.

THIS IS A DANGEROUS STORM...TAKE COVER IMMEDIATELY !

 THIS STORM HAS ALREADY PRODUCED HAIL THE SIZE OF GOLFBALLS AND WINDS
 OF 70 MILES AN HOUR IN THE DEVILS LAKE AREA

ARMSTRONG

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 26, 5:40 PM CDT, 2 hours 4 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FARGO ND
 540 PM CDT THU JUN 26 1986

 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR NORTHEAST NORTH DAKOTA
UNTIL 1100 PM CDT...

AT 530 PM CDT...THUNDERSTORMS A FEW WITH VERY HEAVY RAIN..CONTINUED
OVER PARTS OF WEST CENTRAL AND NORTH CENTRAL MINNESOTA.

       ^

Local storm report, Jun 26, 6:10 PM CDT, 1 hour 34 minutes before

STORM REPORTS
NATIONAL WEATHER SERVICE FARGO ND
610 PM CDT THU JUN 26 1986

TIME         EVENT

537 PM CDT   FUNNEL CLOUD REPORTED BY LAW ENFORCEMENT OFFICIALS
             SOUTHWEST OF PELICAN RAPIDS MINNESOTA.

539 PM CDT   FUNNEL CLOUD REPORTED EAST OF ROTHSAY MINNESOTA BY
             COOPERATIVE OBSERVER

546 PM CDT   TORNADO REPORTED ON THE GROUND EAST OF ROTHSAY MINNESOTA

545 PM CDT   FUNNEL CLOUD REPORTED BY PUBLIC BETWEEN R|OTHSAY AND
             LAWNDALE MINNESOTA

Nearby

Severe Thunderstorm Warnings in North Dakota, 1986 Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.