Alert archive / North Dakota / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 36, NWS Bismarck, ND

July 2, 1990Divide County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 2, 1990, 1:18 AM CDT for Divide County, North Dakota. It was in force for 42 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
Jul 2, 1990, 1:18 AM CDT (06:18 UTC)
Expired
Jul 2, 1990, 2:00 AM CDT
In force
42 min
Issued by
NWS Bismarck, ND
Area
Whole counties

County Divide 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

TimeReportWhereRemark
Jul 2, 1:20 AM CDTThunderstorm Wind 0Divide, 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

Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 6.3 hours before the alert went out and 239 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-pSkew-T log-p diagram, Glasgow Intl Airport, MT at 00:00Z on 1990-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Glasgow Intl Airport, MT at 00:00Z on 1990-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.7

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 1, 9:50 PM CDT, 3 hours 28 minutes before
NDZ001>018-020400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
945 PM CDT SUN JUL 1 1990

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR WESTERN NORTH DAKOTA
UNTIL 4 AM CDT OR 3 AM MDT...

THUNDERSTORMS IN CENTRAL MONTANA WILL MOVE EAST INTO WESTERN NORTH
DAKOTA TONIGHT. AS THERE IS CONSIDERABLE LOW LEVEL MOISTURE ACROSS THE
STATE FROM THE LAST FEW DAYS OF THUNDERSTORMS...AND...AS THERE WAS AMPLE
SUNSHINE TODAY TO PROVIDE ABUNDANT ENERGY...SOME OF THE THUNDERSTORMS
MAY BECOME SEVERE.

THESE STORMS WILL HAVE THE POTENTIAL OF PRODUCING LARGE HAIL AND
DAMAGING WINDS. THESE STORMS WILL NOT BE FAST MOVING AND MAY ALSO
PRODUCE FLOODING OF LOW LYING AREAS. AND..AS WITH ALLC THUNDERSTORMS...
THEY WILL BE PRODUCING DEADLY LIGHTNING.

EVERYONE ACROSS WESTERN NORTH DAKOTA SHOULD KEEP ALERT AS THESE STORMS
MOVE INTO THE STATE AND BE PREPARED FOR RAPIDLY CHANGING WEATHER
CONDITIONS.

KAS
Special weather statement, Jul 1, 10:46 PM CDT, 2 hours 32 minutes before
NDZ001>018-020500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
1045 PM CDT SUN JUL 1 1990

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR WESTERN NORTH
DAKOTA UNTIL 4 AM CDT OR 3 AM MDT...

THUNDERSTORMS IN CENTRAL MONTANA WILL MOVE EAST INTO WESTERN NORTH
DAKOTA TONIGHT. AS THERE IS CONSIDERABLE LOW LEVEL MOISTURE ACROSS THE
STATE FROM THE LAST FEW DAYS OF THUNDERSTORMS...AND...AS THERE WAS AMPLE
SUNSHINE TODAY TO PROVIDE ABUNDANT ENERGY...SOME OF THE THUNDERSTORMS
MAY BECOME SEVERE. AT 1045 PM CDT THUNDERSTORMS WERE OCCURING FROM MILES
CITY TO GLASGOW MONTANA AND WERE MOVING TO THE EAST AT 35 MPH. THEY
SHOULD MOVE INTO WESTERN NORTH DAKOTA AFTER MIDNIGHT.

THESEn STORMS WILL HAVE THE POTENTIAL OF PRODUCING LARGE HAIL AND
DAMAGING WINDS...AS WELL AS HEAVY RAIN AND DEADLY LIGHTNING.

EVERYONE IN WESTERN NORTH DAKOTA SHOULD BE PREPARED AS THESE STORMS
MOVE INTO THE STATE.

KAS
Special weather statement, Jul 1, 10:52 PM CDT, 2 hours 26 minutes before
NDZ001>003-020445-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLISTON ND
1050 PM CDT SUN JUL 01 1990

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 4 AM CDT FOR ALL
OF WESTERN NORTH DAKOTA...

AT 1045 PM CDT WILLISTON RADAR INDICATED NO THUNDERSTORM ACTIVITY OVER
WESTERN NORTH DAKOTA. HOWEVER...WILLISTON RADAR INDICATED AN AREA OF
STRONG THUNDERSTORMS 90 MILES WEST OF WILLISTON...OR 20 MILES SOUTH OF
THE TOWN OF WOLF POINT IN NORTHEqASTERN MONTANA.  THESE THUNDERSTORMS ARE
MOVING TO THE EAST AT 30 MPH.

PERSONS IN WESTERN NORTH DAKOTA SHOULD CONTINUE TO MONITOR THE LATEST
WEATHER STATEMENTS AS THESE STORMS HAVE THE POTENTIAL OF BECOMING
SEVERE.
LEWIS
Special weather statement, Jul 1, 11:41 PM CDT, 1 hour 37 minutes before
NDZ001>003-020545-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLISTON ND
1140 PM CDT SUN JUL 01 1990

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 4 AM CDT FOR ALL
OF WESTERN NORTH DAKOTA...

AT 1135 PM CDT WILLISTON RADAR INDICATED NO THUNDERSTORM ACTIVITY OVER
WESTERN NORTH DAKOTA.  HOWEVER...WILLISTON RADAR INDICATED AN AREA OF
STRONG THUNDERSTORMS 85 MILES SOUTHWEST OF WILLISTON IN EASTERN MONTANA.
THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 35 MPH AND SHOULD BE
INTO WESTERN NORTH DAKOTA AROUND 1 AM CDT MONDAY MORNING.

PERSONS IN WESTERN NORTH DAKOTA SHOULD CONTINUE TO MONITOR THE LATEST
WEATHER STATEMENTS AS THESE STORMS HAVE THE POTENTIAL OF BECOMING
SEVERE.
RICHMOND/MARTIN
Special weather statement, Jul 1, 11:44 PM CDT, 1 hour 34 minutes before
NDZ001>018-020600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
1145 PM CDT SUN JUL 1 1990

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR WESTERN NORTH
DAKOTA UNTIL 4 AM CDT OR 3 AM MDT...

THUNDERSTORMS IN EASTERN MONTANA WILL MOVE EAST INTO WESTERN NORTH
DAKOTA AFTER MIDNIGHT. AS THERE IS CONSIDERABLE MOISTURE ACROSS THE
STATE FROM THE LAST FEW DAYS OF THUNDERSTORMS...AND AS THERE WAS AMPLE
SUNSHINE TODAY TO PROVIDE ADDITIONAL ENERGY...SOME OF THE THUNDERSTORMS
MAY BECOME SEVERE. AT 1140 PM CDT THUNDERSTORMS WERE OCCURING FROM WOLF
POINT TO EAST OF MILES CITY MONTANA AND WERE MOVING TO THE EAST AT
35 MPH. THEY SHOULD MOVE INTO WESTERN NORTH DAKOTA BETWEEN MIDNIGHT AND
1 AM CDT.

THESE STORMS WILL HAVE THE POTENTIAL OF PRODUCING LARGE HAIL AND
DAMAGING WINDS...AS WELL AS HEAVY RAIN AND DEADLY LIGHTNING. EVERYONE
IN WESTERN NORTH DAKOTA SHOULD BE PREPARED AS THESE STORMS MOVE INTO
THE STATE.

KAS
Special weather statement, Jul 2, 12:53 AM CDT, 25 minutes before
NDZ001>003-020630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLISTON ND
1250 AM CDT MON JUL 02 1990

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 4 AM CDT FOR ALL
OF WESTERN NORTH DAKOTA...

...STRONG THUNDERSTORMS MOVING INTO WESTERN NORTH DAKOTA...

AT 1245 AM CDT...NATIONAL WEATHER SERVICE RADAR IN WILLISTON INDICATED
STRONG THUNDERSTORMS 15 MILES SOUTHWEST OF WILLISTON ALONG THE MONTANA
NORTH DAKOTA BORDER. ANOTHER STRONG THUNDERSTORM WAS LOCATED 75 MILES
SOUTHWEST OF WILLISTON...OR 15 MILES SOUTHEAST OF GLENDIVE MONTANA.
AS OF 1245 AM...NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE STORMS.

THESE THUNDERSTORMS ARE MOVING TO THE EAST AT 30 MPH.

PERSONS ACROSS WESTERN NORTH DAKOTA SHOULD COUNTINUE TO MONITOR THE
LASTEST WEATHER STATMENTS AS THESE STORMS ARE MOVING INTO A VERY
UNSTABLE AIR MASS OVER WESTERN NORTH DAKOTA.

IF THESE STORMS APPROACH YOUR AREA...SEEK SHELTER IMMEDIATELY.

RICHMOND

The office that day

Everything else NWS Bismarck, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 2, 3:08 PM CDTSevere Thunderstorm WarningBISDivide52 min
Jul 2, 3:57 PM CDTSevere Thunderstorm WarningBISDivide, Williams63 min
Jul 2, 4:18 PM CDTSevere Thunderstorm WarningBISBurke57 min
Jul 2, 5:17 PM CDTSevere Thunderstorm WarningBISBurke58 min
Jul 2, 5:59 PM CDTSevere Thunderstorm WarningBISRenville, Ward61 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1990Every severe thunderstorm warning in 1990

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.