Alert archive / North Dakota / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 104, NWS Bismarck, ND

July 14, 1999Foster County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 14, 1999, 12:30 AM CDT for Foster County, North Dakota. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 14, 1999, 12:30 AM CDT (05:30 UTC)
Expired: Jul 14, 1999, 1:30 AM CDT
In force: 60 min
Issued by: NWS Bismarck, ND
Area: Whole counties

County Foster County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 117 km from the middle of the area, began a volume at 05:33 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 13, 9:00 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 5.5 hours before the alert went out and 157 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: 2357 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 1627 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 129 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 3.0

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.

NWS Bismarck, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 13, 3:30 PM CDT, 9 hours earlier.

Area forecast discussion, Jul 13, 3:30 PM CDT, 9 hours before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BISMARCK ND
330 PM CDT TUE JUL 13 1999

A SHORT WAVE WILL MOVE ACROSS SOUTHERN CANADA TONIGHT.  SATELLITE
SHOWS A BAND OF CLOUD FROM HVR IN NORTH CENTRAL MONTANA INTO CENTRAL
MANITOBA.  CONVECTION IS OCCURING NORTHEAST OF GLASCOW NEAR ROCK
GLEN IN SASKATCHEWAN AND WILL LIKELY MOVE EAST SOUTHEAST INTO
NORTHWEST ND THIS EVENING.  TEMPS IN THE WEST HAVE PUSHED INTO THE
LOWER 90S WITH DEWPOINTS IN THE 50S WHILE IN CENTRAL ND TEMPS REMAIN
IN THE 80S BUT WITH DEWPOINTS MAINLY IN THE 60S.  UNSTABLE AIRMASS
IS CAPPED...ESPECIALLY IN SOUTH CENTRAL ND WHERE TEMPS HAVE TO
EXCEED 90 TO BREAK CAP. WOULD EXPECT MAIN ACTIVITY IN THE WEST EARLY
MOVING INTO CNTRL ND THIS EVENING AS MID LEVEL COOLING OCCURS. SOME
TSTORMS LIKELY SEVERE AS CAPE WILL BE IN EXCESS OF 1500. THE MODELS
NOW HOLD BACK ON MOVING SURFACE LOW OUT OF AREA TO THURSDAY...WITH
WEDNESDAY WARMER THAN PREVIOUS MODELS HAD INDICATED.  WILL CONTINUE
TO LOOK FOR A CHANCE OF TSTMS DEVELOPING IN THE AFTERNOON AND CONT
INTO THE NIGHT WEDNESDAY AND THURSDAY.

.BIS...NONE.
TSW

In the hours before

Special weather statement, Jul 13, 9:15 PM CDT, 3 hours 15 minutes before

NDZ001-009-017-018-031-032-140230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  BISMARCK ND
915 PM CDT TUE JUL 13 1999

...THE SEVERE THUNDERSTORM WATCH FOR NORTHWEST NORTH DAKOTA HAS BEEN
CANCELLED...

WILLISTON...WATFORD CITY...AND BEACH ARE NO LONGER IN THE WATCH.

THE MAIN THREAT OF SEVERE THUNDERSTORMS HAS MOVED TO THE EAST. A
SEVERE THUNDERSTORM WATCHS REMAIN IN EFFECT FOR NORTH CENTRAL NORTH
DAKOTA UNTIL 10 PM CDT...AND FOR SOUTH CENTRAL AND NORTHEAST NORTH
DAKOTA UNTIL 2 AM CDT.

TSW

Special weather statement, Jul 13, 9:15 PM CDT, 3 hours 15 minutes before

NDZ001-009-017-018-031-032-140230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  BISMARCK ND
915 PM CDT TUE JUL 13 1999

...THE SEVERE THUNDERSTORM WATCH FOR NORTHWEST NORTH DAKOTA HAS BEEN
CANCELLED...

WILLISTON...WATFORD CITY...AND BEACH ARE NO LONGER IN THE WATCH.

THE MAIN THREAT OF SEVERE THUNDERSTORMS HAS MOVED TO THE EAST. A
SEVERE THUNDERSTORM WATCHS REMAIN IN EFFECT FOR NORTH CENTRAL NORTH
DAKOTA UNTIL 10 PM CDT...AND FOR SOUTH CENTRAL AND NORTHEAST NORTH
DAKOTA UNTIL 2 AM CDT.

TSW

Local storm report, Jul 13, 11:00 PM CDT, 1 hour 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  BISMARCK ND
1100 PM CDT TUE JUL 13 1999

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0630 PM    KENMARE 3W                ND   1.00 INCH HAIL
07/13/99   WARD

0550 PM    LIGNITE                   ND   1.00 INCH HAIL
07/13/99   BURKE

0645 PM    KENMARE                   ND   TORNADO
07/13/99   WARD                           LOCAL TELEVISION REPORTED
                                          TORNADO SOUTH OF KENMARE

0652 PM    COULEE 2N                 ND   TORNADO
07/13/99   WARD                           AIR FORCE OBSERVERS
                                          REPORTED TWO TORNADOS
                                          NORTH OF COULEE

0719 PM    BERTHOLD 2W               ND   TORNADO
07/13/99   WARD                           SKYWARN SPOTTERS REPORTED
                                          TORNADO

0735 PM    MINOT 5W                  ND   TORNADO
07/13/99   WARD                           PUBLIC REPORT

0742 PM    BERTHOLD                  ND   1.75 INCH HAIL
07/13/99   WARD

0743 PM    MINOT                     ND   0.75 INCH HAIL
07/13/99   WARD

0745 PM    MINOT                     ND   75 MPH WIND GUST
07/13/99   WARD                           SKYWARN SPOTTERS

0748 PM    MINOT                     ND   2.75 INCH HAIL
07/13/99   WARD

0752 PM    MINOT                     ND   2.00 INCH HAIL
07/13/99   WARD

0800 PM    LOGAN                     ND   2.75 INCH HAIL
07/13/99   WARD

0811 PM    SAWYER                    ND   1.75 INCH HAIL
07/13/99   WARD

HW

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 7:03 PM CDT	Severe Thunderstorm Warning	BIS	Renville	57 min
Jul 13, 7:15 PM CDT	Tornado Warning	BIS	Ward	30 min
Jul 13, 7:45 PM CDT	Tornado Warning	BIS	Ward	30 min
Jul 13, 8:10 PM CDT	Severe Thunderstorm Warning	BIS	McHenry	60 min
Jul 13, 8:17 PM CDT	Severe Thunderstorm Warning	BIS	Ward	58 min
Jul 13, 8:38 PM CDT	Tornado Warning	BIS	McHenry, Ward	37 min
Jul 13, 9:02 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Sheridan	58 min
Jul 13, 9:15 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, Pierce	60 min
Jul 13, 9:28 PM CDT	Severe Thunderstorm Warning	BIS	Wells	62 min
Jul 13, 10:13 PM CDT	Severe Thunderstorm Warning	BIS	Ward	62 min
Jul 13, 10:55 PM CDT	Severe Thunderstorm Warning	BIS	Pierce	50 min
Jul 13, 11:30 PM CDT	Tornado Warning	BIS	Pierce, Wells	60 min
Jul 14, 1:07 AM CDT	Severe Thunderstorm Warning	BIS	Wells	68 min
Jul 14, 1:45 AM CDT	Severe Thunderstorm Warning	BIS	Foster	60 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1999 Every severe thunderstorm warning in 1999

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; radar from the NEXRAD Level II archive.