Alert archive / North Dakota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 169, NWS Bismarck, ND

July 22, 2001Foster County, Stutsman County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 22, 2001, 6:39 AM CDT for Foster County, Stutsman County, North Dakota. It was in force for 51 min. 2 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 22, 2001, 6:39 AM CDT (11:39 UTC)
Expired: Jul 22, 2001, 7:30 AM CDT
In force: 51 min
Issued by: NWS Bismarck, ND
Area: Whole counties

Counties Foster County, ND, Stutsman County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 125 km from the middle of the area, began a volume at 11:39 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.

What was reported inside it

Time	Report	Where	Remark
Jul 22, 7:05 AM CDT	Thunderstorm Wind 52 E	Montpelier, ND	Cooperative observer reported tree's and numerous branches down.
Jul 22, 7:15 AM CDT	Thunderstorm Wind 50 E	Carrington, 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.

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 22, 4:45 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 11.7 hours before the alert went out and 144 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: 2155 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 1372 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 6.9

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KBIS 221143
SVRBIS

NDC031-045-093-221230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
639 AM CDT SUN JUL 22 2001

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN FOSTER COUNTY IN SOUTHEAST NORTH DAKOTA
  EASTERN LAMOURE COUNTY IN SOUTHEAST NORTH DAKOTA
  EASTERN STUTSMAN COUNTY IN SOUTHEAST NORTH DAKOTA
  THIS INCLUDES THE CITY OF JAMESTOWN

* UNTIL 730 AM CDT

* AT 610 AM CDT...SKYWARN SPOTTERS REPORTED 58 MPH WINDS 2 MILES
  SOUTH OF CARRINGTON...33 MILES NORTH OF JAMESTOWN. 

  THE SEVERE THUNDERSTORM WILL BE NEAR...
  JAMESTOWN AT 650 AM CDT
  DICKEY IN EASTERN NORTHERN LAMOURE COUNTY AT 650 AM CDT
  GRACE CITY AND GLENFIELD IN EASTERN FOSTER COUNTY AT 700 AM CDT

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 AM CDT
SUNDAY MORNING FOR SOUTHEASTERN NORTH DAKOTA.

LAT...LON 4759 9900 4631 9864N 4631 9805 4756 9854

WA

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 22, 3:00 AM CDT, 3 hours 39 minutes earlier.

Area forecast discussion, Jul 22, 3:00 AM CDT, 3 hours 39 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BISMARCK ND
300 AM CDT SUN JUL 22 2001

BOW TYPE ECHO WITH SEVERE THUNDERSTORMS IS MOVING INTO CENTRAL
ND...PUSHED ALONG BY BY A COLD POOL THAT IS BEST SHOWN ON THE ETA
MDL. WIND DAMAGE IS MAIN CONCERN WITH THESE STORMS. OTHERWISE A
SOUTHWEST FLOW CONTINUES OVER THE REGION TODAY WITH ANOTHER
SHORTWAVE MOVING INTO THE NORTHWEST LATE THIS AFTERNOON.
THIS FEATURE WILL TRACK ACROSS THE NORTH EARLY TONIGHT...AND SEVERE
WX IS AGAIN POSSIBLE. THEN THE FLOW BECOMES MORE ZONAL MONDAY WITH
ANOTHER IMPULSE  CAUSING A CHANCE OF CONVECTIVE PRECIP BY AFTERNOON.
THEN THE MAIN WESTERN TROUGH SHEARS OFF AND THE NORTHERN BRANCH ENTERS
ND TUESDAY MORNING. WILL UPDATE THE EXTENDED FORECAST FOR CENTRAL ND
TO REFLECT THIS CHANCE OF PRECIP ON TUESDAY.

.BIS...NONE.
LM

In the hours before

Local storm report, Jul 22, 2:17 AM CDT, 4 hours 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILLISTON ND
217 AM CDT SUN JUL 22 2001

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

0900 PM    FORT UNION TRADING POST   ND   WIND AND HAIL DAMAGE.
07/20/01   NATIONAL HISTORIC SITE         SHINGLES TORN OFF
           WILLIAMS                       VISITOR CENTER ROOF.
                                          TEEPEES HELD DOWN BY
                                          4 FOOT IRON STAKES PULLED
                                          UP AND SHREDDED BY HAIL.

CJT

Special weather statement, Jul 22, 4:35 AM CDT, 2 hours 4 minutes before

NDZ042-220945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  BISMARCK ND
435 AM CDT SUN JUL 22 2001

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 AM MDT...

AT 330 AM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM IN
NORTHERN GRANT COUNTY...NEAR CARSON...OR 45 MILES SOUTHWEST OF
MANDAN. THE STORM WAS MOVING EAST AT 40 MPH. LARK AND RALEIGH ARE IN
THE PATH OF THE STORM.

JV

Local storm report, Jul 22, 5:23 AM CDT, 1 hour 16 minutes before

PRELIMINARY LOCAL STORM REPORT

NATIONAL WEATHER SERVICE BISMARCK ND

523 AM CDT SUN JUL 22 2001

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

           ....COUNTY LOCATION....

0432 AM    (BIS)BISMARCK MUNI ARPT   ND   70 MPH TSTM GUST

07/22/01   BURLEIGH                       BISMARCK NATIONAL

                                          WEATHER SERVICE

Local storm report, Jul 22, 5:25 AM CDT, 1 hour 14 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTION

NATIONAL WEATHER SERVICE BISMARCK ND

525 AM CDT SUN JUL 22 2001

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

           ....COUNTY LOCATION....

1230 AM    8 S ALEXANDER             ND   58 MPH TSTM GUST

07/22/01   MCKENZIE                       REPORTED BY STORM

                                          SPOTTER.

Special weather statement, Jul 22, 5:40 AM CDT, 59 minutes before

NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-221500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  BISMARCK ND
540 AM CDT SUN JUL 22 2001

...A FEW SEVERE THUNDERSTORMS CENTRAL THIS MORNING...
...A CHANCE OF SEVERE THUNDERSTORMS WEST AND CENTRAL THIS
AFTERNOON...

.FORECAST...SCATTERED THUNDERSTORMS WILL END THIS MORNING...
BUT THERE IS A GOOD CHANCE OF THUNDERSTORMS REDEVELOPING AGAIN THIS
AFTERNOON. SOME MAY BE SEVERE.

.DISCUSSION...A MOIST UNSTABLE AIRMASS WILL PERSIST OVER WEST AND
CENTRAL NORTH DAKOTA TODAY AND TONIGHT. A SHORTWAVE WILL ENTER THE
WEST LATE THIS AFTERNOON AND MOVE EAST TONIGHT. THUNDERSTORMS
WILL PROBABLY DEVELOP AHEAD OF THE WAVE. HIGH INSTABILITY AND FAVORABLE
WIND SHEAR COULD RESULT IN SOME SEVERE STORMS.

SKYWARN SEVERE WEATHER SPOTTERS MAY BE NEEDED THIS AFTERNOON AND
TONIGHT IN WESTERN AND CENTRAL NORTH DAKOTA.

THIS PRODUCT IS FOR PLANNING PURPOSES. STAY TUNED TO NOAA WEATHER
RADIO FOR FURTHER UPDATES.

LM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 11:53 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	67 min
Jul 22, 12:18 AM CDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley	57 min
Jul 22, 1:01 AM CDT	Severe Thunderstorm Warning	BIS	Dunn, McKenzie	59 min
Jul 22, 2:01 AM CDT	Severe Thunderstorm Warning	BIS	Dunn, Stark	59 min
Jul 22, 2:24 AM CDT	Severe Thunderstorm Warning	BIS	McLean, Mountrail	51 min
Jul 22, 2:30 AM CDT	Severe Thunderstorm Warning	BIS	Hettinger, Slope	60 min
Jul 22, 2:38 AM CDT	Severe Thunderstorm Warning	BIS	Mercer, Morton, Oliver	67 min
Jul 22, 2:50 AM CDT	Severe Thunderstorm Warning	BIS	Ward	40 min
Jul 22, 3:16 AM CDT	Severe Thunderstorm Warning	BIS	McLean	44 min
Jul 22, 3:38 AM CDT	Severe Thunderstorm Warning	BIS	Grant	67 min
Jul 22, 3:57 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, McLean, Oliver	63 min
Jul 22, 3:57 AM CDT	Severe Thunderstorm Warning	BIS	Morton	63 min
Jul 22, 4:37 AM CDT	Severe Thunderstorm Warning	BIS	Emmons, Sioux	53 min
Jul 22, 4:37 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh	53 min
Jul 22, 5:01 AM CDT	Severe Thunderstorm Warning	BIS	Kidder, Logan	59 min
Jul 22, 5:42 AM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Logan, Stutsman	63 min
Jul 22, 6:39 AM CDT	Severe Thunderstorm Warning	BIS	LaMoure	51 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2001 Every severe thunderstorm warning in 2001

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; radar from the NEXRAD Level II archive.