Alert archive / North Dakota / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 50, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 16, 1986, 11:33 AM CDT for Ransom County, Richland County, North Dakota. It was in force for 57 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
- Jul 16, 1986, 11:33 AM CDT (16:33 UTC)
- Expired
- Jul 16, 1986, 12:30 PM CDT
- In force
- 57 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
Counties Ransom County, ND, Richland 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 16, 11:53 AM CDT | Hail 2.75 | Ransom, ND | |
| Jul 16, 12:10 PM CDT | Hail 2.75 | Richland, ND | |
| Jul 16, 12:10 PM CDT | Thunderstorm Wind 0 | Richland, 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
Aberdeen, SD (KHON), launched 12:00Z, 4.6 hours before the alert went out and 183 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
- 1381 J/kg
- Mixed-layer CIN
- -293 J/kg
- Mixed-layer LCL
- 1263 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFAR 161633 SVRFAR NDC077-073-161730- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE FARGO ND 1133 AM CDT WED JUL 16 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF SOUTHEAST NORTH DAKOTA...NORTHERN RICHLAND AND EASTERN RANSOM AT 1125 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM 45 MILES SOUTHWEST OF FARGO NORTH DAKOTA OR JUST EAST OF THE TOWN OF LISBON IN SOUTHEAST NORTH DAKOTA. THIS THUNDERSTORM WAS MOVING TO THE EAST 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. 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
Special weather statement, Jul 16, 5:43 AM CDT, 5 hours 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FARGO ND 535 AM CDT WED JUL 16 1986 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR A LARGE PART OF CENTRAL NORTH DAKOTA UNTIL 7 AM CDT... AT 530 AM AN ISOLATED THUNDERSTORM WITH VERY HEAVY RAIN WAS OVER CENTRAL STEVENS COUNTY OF WEST CENTRAL MINNESOTA IN THE VICINITY OF MORRIS. THIS THUNDERSTORM WAS MOVING NORTHEAST AT 25 MILES AN HOUR AN SHOULD MOVE INTO DOUGLAS COUNTY OF WEST CENTRAL MINNESOTA NEAR THE CITY OF ALEXANDRIA BY 630 AM. VERY HEAVY RAIN..GUSTY WINDS AND SMALL HAIL MAY ACCOMPANY THIS STORM. OTHER SCATTERED SHOWERS AND THUNDERSTORMS WERE OCCURRING OVER PARTS OF CENTRAL AND SOUTHEAST NORTH DAKOTA..NORTHEAST SOUTH DAKOTA AND WEST CENTRAL MINNESOTA. ONE THUNDERSTORM WITH HEAVY RAIN WAS OVER DICKEY COUNTY OF SOUTHEAST NORTH DAKOTA NEAR THE TOWN OF FULLERTON OR ABOUT 45 MILES SOUTH OF JAMESTOWN NORTH DAKOTA. THIS THUNDERSTORM WAS MOVING NORTHEAST AND SHOULD MtOVE INTO EASTERN LA MOURE COUNTY OF SOUTHEAST NORTH DAKOTA AROUND THE TOWNS OF LA MOURE AND VERONA BY 630 AM. THE GENERAL AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING NORTHEAST AT 20 TO 25 MILES AN HOUR. SPIES
Special weather statement, Jul 16, 10:42 AM CDT, 51 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 1035 AM CDT WED JUL 16 1986 ...THUNDERSTORMS FIRE UP OVER SOUTHEAST NORTH DAKOTA... AT 1026 AM CDT A THUNDERSTORM W
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 12:31 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.