Alert archive / North Dakota / Tornado Warnings in 1988

Tornado Warning 5, NWS Bismarck, ND

August 14, 1988McHenry County, North Dakota

NWS Bismarck, ND issued this tornado warning at Aug 14, 1988, 6:46 PM CDT for McHenry County, North Dakota. It was in force for 29 min.

The area

The counties it named.

The facts

Issued
Aug 14, 1988, 6:46 PM CDT (23:46 UTC)
Expired
Aug 14, 1988, 7:15 PM CDT
In force
29 min
Issued by
NWS Bismarck, ND
Area
Whole counties

County McHenry 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 12:00Z, 11.8 hours before the alert went out and 163 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, Bismarck Municip, ND at 12:00Z on 1988-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 19 joules per kilogram.LCLLFCEL10008507005003002001001 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, Bismarck Municip, ND at 12:00Z on 1988-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.193958Sfc1 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
19 J/kg
Mixed-layer CIN
-204 J/kg
Mixed-layer LCL
708 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
116 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBIS 142346
TORBIS
NDC049-150015-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE BISMARCK ND
646 PM CDT SUN AUG 14 1988

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 715 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE NORTH CENTRAL PART OF NORTH DAKOTA
      NORTHERN MCHENRY

AT 640 PM AN AMBULENCE CREW REPORTED A TORNADO 5 MILES NORTHWEST
OF TOWNER MOVING SOUTHEAST TOWARDS TOWNER.

IF YOU ARE IN THE PATH OF THIS TORNADO...GO TO A BASEMENT SHELTER
IF AVAILABLE...OTHERWISE TO A CENTRAL INTERIOR ROOM ON THE LOWEST
FLOOR...STAY AWAY FROM WINDOWS.  ABANDON CARS AND MOBILE HOMES.

 RSL

What forecasters said that day

The local office's own words before this tornado 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, Aug 14, 4:40 PM CDT, 2 hours 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
440 PM CDT SUN AUG 14 1988

...STRONG THUNDERSTORM NEAR THE CANADIAN BORDER...

AT 435 PM CDT WEATHER RADAR WAS DETECTING A POWERFUL THUNDERSTORM
JUST NORTH OF THE RENVILLE COUNTY LINE IN EXTREME SOUTHEASTERN
SASKATCHEWAN...75 MILES NORTH NORTHWEST OF MINOT.

THE THUNDERSTORM WAS MOVING A LITTLE SOUTH OF EAST AT 20 MPH AND
MAY ENTER NORTHERN RENVILLE AND NORTHWESTERN BOTTINEAU COUNTY
BEFORE 6 PM CDT. THE TOWNS OF SHWERWOOD AND ANTLER LIE NEAR THE
PATH OF THIS STORM.

THIS STORM LIKELY CONTAINS SMALL HAIL...WINDS OF 50 MPH...AND VERY
HEAVY RAIN.

OTHER THUNDERSHOWERS HAVE ALSO DEVELOPED DURING THE PAST HOUR OVER
THE CENTRAL PART OF LAKE SAKAKAWEA.

IF THREATENING WEATHER APPROACHES TAKE SHELTER INDOORS IMMEDIATELY.

LEBLANG
Special weather statement, Aug 14, 5:03 PM CDT, 1 hour 43 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLISTON ND
500PM CDT SUN AUG 14 1988

...THUNDERSTORMS ARE FORMING OVER NORTHWEST NORTH DAKOTA...

AT 450 PM CDT WILLISTON RADAR INDICATED THUNDERSTORM DEVELOPMENT
OVER MCKENZIE AND MOUNTRAIL COUNTIES OF NORTH DAKOTA AND OVER
RICHALND COUNTY IN EASTERN MONTANA.
  THE STRONGEST STORMS WERE OVER EXTRENE NORTH EAST MCKENZIE COUNTY
5 MILES EAST OF KEENE OR 40 MILES SOUTHEAST OF WILLISTON. THESE
THUNDERSTORMS WERE MOVING EAST AT 20 MILES AN HOUR.
 THE THUNDERSTORMS OVER RICHLAND COUNTY MONTANA WERE IN THE SIDNEY
MONTANA AREA AND WERE ALSO MOVING EAST AT 20 MILES AN HOUR. THESE
THUNDERSTORMS WILL BE MOVING OVER NORTHWEST MCKENZIE AND SOUTHWEST:
WILLIAMS COUNTIES BY 530 PM CDT.
 ALL THE THUNDERSTOMS CAN PRODUCE HEAVY RAIN AND SMALL HAIL ALONG WITH
STRONG GUSTY WINDS. IF A THUNDERSTORM MOVES OVER YOUR AREA GO TO A
SAFE PLACE.
KENNEDY
Special weather statement, Aug 14, 5:37 PM CDT, 1 hour 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLISTON ND
535 PM CDT SUN AUG 14 1988

...THUNDERSTORMS ARE MOVING INTO THE WILLISTON AREA...

AT 530 PM CDT WILLISTON RADAR INDICATED THUNDERSTORMS 15 MILES WEST
SOUTHWEST OF WILLISTON. THE THUNDERSTORMS WERE MOVING EAST AT 20 MILES
AN HOUR. BRIEF HEAVY RAIN...GUSTY WINDS AND POSSIBLE SMALL HAIL
WILL ACCOMPANY THESE THUNDERSTORMS AS THEY MOVE OVER THE WILLISTON AREA
DURING THE NEXT HOUR.
 OTHER THUNDERSTORMS HAVE MOVED OVER SOUTHWEST MOUNTRAIL COUNTY OF
NORTH DAKOTA. THESE STORMS HAVE DECREASED IN INTENSITY SINCE 5 PM CDT
BUT MAY CONTINUE TO PRODUCE GUSTY WINDS ALONG WITH HEAVY RAIN AND SMALL
HAIL.  THESE THUNDERSTORMS WERE MOVING EAST A_T 20 MILES AN HOUR.

IF A THUNDERSTORM MOVES OVER YOUR AREA GO TO A SAFE PLACE.

KENNEDY
Special weather statement, Aug 14, 6:26 PM CDT, 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLISTON ND
625 PM CDT SUN AUG 14 1988

...ISOLATED THUNDERSTORMS CONTINUE OVER WESTERN NORTH DAKOTA...

AT 620 PM CDT WILLISTON RADAR INDICATED ISOLATED THUNDERSTORMS OVER
WILLIAMS...MCKENZIE AND DUNN COUNTIES OF NORTHWEST NORTH DAKOTA.
ONE GROUP OF THUNDERSTORMS WAS OVER SOUTHEAST WILLIAMS AND NORTHEAST
MCKENZIE COUNTIES.  THE THUNDERSTORMS WERE FROM 5 MILES NORTHEAST OF
OF WILLISTON TO 25 MILES SOUTHEAST OF WILLISTON AND WERE MOVING EAST
AT 20 MILES AN HOUR. THESE THUNDERSTOORMS PRODUCED WIND GUSTS TO 35
MILES AN HOUR ALONG WITH BRIEF HEAVY RAIN AND DANGEROUS LIGHTNING
AS THEY MOVED OVER THE WILLISTON AREA.
 A SECOND GROUP OF THUNDERSTORMS WAS OVER WESTERN DUNN COUNTY OR FROM
15 MILES NORTHWEST TO 30 MILES NORTH OF DICKINSON NORTH DAKOTA.  THESE
STORMS WERE ALSO MOVING EAST AT 20 MILES AN HOUR.

KENNEDY
Special weather statement, Aug 14, 6:28 PM CDT, 18 minutes before
SPECIAL WEATHER STATEMENT ...CORRECTED...
NATIONAL WEATHER SERVICE WILLISTON ND
625 PM CDT SUN AUG 14 1988

...ISOLATED THUNDERSTORMS CONTINUE OVER WESTERN NORTH DAKOTA...

AT 620 PM CDT WILLISTON RADAR INDICATED ISOLATED THUNDERSTORMS OVER
WILLIAMS...MCKENZIE AND DUNN COUNTIES OF NORTHWEST NORTH DAKOTA.
ONE GROUP OF THUNDERSTORMS WAS OVER SOUTHEAST WILLIAMS AND NORTHEAST
MCKENZIE COUNTIES.  THE THUNDERSTORMS WERE FROM 5 MILES NORTHEAST OF
OF WILLISTON TO 25 MILES SOUTHEAST OF WILLISTON AND WERE MOVING EAST
AT 20 MILES AN HOUR. THESE THUNDERSTORMS PRODUCED WIND GUSTS TO 35
MILES AN HOUR ALONG WITH BRIEF HEAVY RAIN AND DANGEROUS LIGHTNING
AS THEY MOVED OVER THE WILLISTON AREA.
 A SECOND GROUP OF THUNDERSTORMS WAS OVER WESTERN DUNN COUNTY OR FROM
15 MILES NORTHWEST TO 30 MILES NORTH OF DICKINSON NORTH DAKOTA.  THESE
STORMS WERE ALSO MOVING EAST AT 20 MILES AN HOUR.

KENNEDY

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 5:22 PM CDTSevere Thunderstorm WarningBISBottineau68 min
Aug 14, 6:17 PM CDTSevere Thunderstorm WarningBISMcHenry43 min
Aug 14, 6:35 PM CDTSevere Thunderstorm WarningBISMcLean40 min
Aug 14, 6:57 PM CDTSevere Thunderstorm WarningBISBurke, Mountrail, Williams33 min

Nearby

Tornado Warnings in North Dakota, 1988Every tornado warning in 1988Tornadoes in 1988

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.