Alert archive / North Dakota / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 13, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 22, 1987, 5:49 PM CDT for McLean County, North Dakota. It was in force for 26 min. 1 report 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 22, 1987, 5:49 PM CDT (22:49 UTC)
- Expired
- Jun 22, 1987, 6:15 PM CDT
- In force
- 26 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County McLean 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 |
|---|---|---|---|
| Jun 22, 6:00 PM CDT | Hail 0.75 | Mclean, 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, 10.8 hours before the alert went out and 104 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2008 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -40 m²/s²
- 0-3 km storm-relative helicity
- -12 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 222249 SVRBIS NDC055-059-037-222315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BISMARCK ND 449 PM MDT MON JUN 22 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF CENTRAL NORTH DAKOTA...EASTERN MCLEAN...EASTERN MORTON AND NORTHEAST GRANT INCLUDING THE CITIES OF GARRISON..ALMONT..NEW SALEM...AND FLASHER. AT 445 PM MDT..RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM WEST OF GARRISON...60 MILES NORTHWEST OF BISMARCK.. SOUTH TO JUST EAST OF CARSON..50 MILES SOUTHWEST OF BISMARCK. THESE STORMS WERE MOVING TO THE NORTHEAST AT 20 MILES AN HOUR. IF YOU ARE IN AN AREA THREATENED BY THE STORM..GO TO A REINFORECED SHELTER AND PREPARE FOR DAMAGING WIND...LARGE HAIL...AND HEAVY RAIN. REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT. THIS THUNDERSTORM WILL LIKELY PRODUCE WIND GUSTS IN EXCESS OF 58 MPH OR HAIL 3/4 OF AN INCH OR LARGER. IF THREATENING WEATHER APPROACHES TAKE COVER IMMEDIATELY. REMEMBER THAT LIGHTNING IS A THUNDERSTORMS MOST DEADLY WEAPON. REPORT ALL SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT AGENCY AFTER THE STORM PASSES. KAS
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 22, 2:30 PM CDT, 3 hours 19 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 230 PM CDT MON JUN 22 1987 ...THUNDERSTORMS DEVELOPING RAPIDLY IN WESTERN NORTH DAKOTA... AT 225 PM CDT A LINE OF THUNDERSTORMS WAS DEVELOPING RAPIDLY IN WESTERN NORTH DAKOTA ALONG A COLD FRONT. THE LINE OF THUNDERSTORMS EXTENDED FROM NEAR DICKINSON TO 60 MILES NORTH OF DICKINSON NEAR LAKE SAKAKAWEA. HOT..HUMID AIR COVERS ALL OF CENTRAL AND EASTERN NORTH DAKOTA. AS THE COLD FRONT MOVES EAST THE THUNDERSTORMS WILL CONTINUE TO DEVELOP. A FEW THUNDERSTORMS MAY BECOME SEVERE LATER IN THE AFTERNOON AND NIGHT. PERSONS IN NORTH DAKOTA SHOULD LISTEN FOR LATER STATEMENTS ON THE DEVELOPMENT OF THE THUNDERSTORMS. VAN ESS
Special weather statement, Jun 22, 3:04 PM CDT, 2 hours 45 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 205 PM MDT MON JUN 22 1987 ...STRONG THUNDERSTORMS IN WESTERN NORTH DAKOTA... AT 2 PM MDT A LINE OF STRONG THUNDERSTORMS HAD DEVELOPED THROUGH DUNN AND STARK COUNTIES OF WESTERN NORTH DAKOTA. THE LINE EXTENDED FROM 3 MILES NORTHEAST OF DICKINSON TO 65 MILES NORTHEAST OF DICKINSON NORTH OF HALLIDAY. AT 150 PM MDT VERY HEAVY RAIN AND PEA SIZE HAIL WAS REPORTED AT DUNN CENTER. THE LINE OF THUNDERSTORMS WILL CONTINUE TO DEVELOP DURING THE REST OF THE AFTERNOON. THE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAIN..HAIL AND STRONG WINDS AS THEY MOVE THROUGH EASTERN DUNN AND STARK COUNTY. VAN ESS
Special weather statement, Jun 22, 4:44 PM CDT, 1 hour 5 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 430 PM CDT MON JUN 22 1987 ...A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF CENTRAL NORTH DAKOTA... A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF CENTRAL NORTH DAKOTA UNTIL 10 PM THIS MONDAY EVENING. SEVERE THUNDERSTORMS WITH STRONG WINDS LARGE HAIL..DANGEROUS LIGHTNING AND HEAVY RAINS ARE LIKELY ACROSS PORTIONS OF THE STATE. THIS WATCH INCLUDES THE RECREATIONAL AREAS AROUND LAKE SAKAKAWEA. AT 430 PM CDT A LINE OF THUNDERSTORMS EXTENDED FROM STANLEY...IN NORTHWESTERN NORTH DAKOTA...SOUTH THROUGH LAKE SAKAKAWEA TO THE HEBRON AREA IN WESTCENTRAL NORTH DAKOTA. THIS LINE OF THUNDERSTORMS WAS MOVING TO THE NORTHEAST AT 25 MILLES AN HOUR. PERSONS IN CENTRAL NORTH DAKOTA SHOULD KEEP ON THE LOOKOUT FOR THESE STORMS AS WELL AS OTHER RAPID DEVELOPMENT. KAS
Special weather statement, Jun 22, 4:46 PM CDT, 1 hour 3 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLISTON ND 440 PM CDT MON JUN 22 1987 ...TORNADO WATCH CONTINUES IN EFFECT UNTIL 10 PM CDT FOR CENTRAL NORTH DAKOTA...SEVERE THUNDERSTORM WARNING FOR EASTERN DUNN COUNTY HAS EXPIRED.... AT 435 PM RADAR INDICATED VERY STRONG THUNDERSTORMS MOVING INTO WESTERN MERCER COUNTY 10 MILES EAST OF MARSHALL IN EXTREME SOUTHEAST DUNN COUNTY TO LAKE SAKAKAWEA IN EXTREME NORTHWEST MERCER COUNTY. VERY HEAVYO RAIN AND SMALL HAIL HAVE BEEN REPORTED WITH THESE STORMS. PERSONS IN THE VICINITY OF THESE STORMS SHOULD BE ON THE LOOKOUT FOR RAPIDY CHANGING WEATHER. MOVEMENT OF THESE STORMS WAS TO THE NORTHEAST AT 25 M.P.H. NEWKIRK
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 3:26 PM CDT | Severe Thunderstorm Warning | BIS | Dunn | 54 min |
| Jun 22, 5:14 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 26 min |
| Jun 22, 5:49 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton | 26 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 1987Every severe thunderstorm warning in 1987
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.