Alert archive / North Dakota / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 372, NWS Bismarck, ND

September 8, 2005Mercer County, Oliver County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Sep 8, 2005, 1:07 AM MDT for Mercer County, Oliver County, North Dakota. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Sep 8, 2005, 1:07 AM MDT (07:07 UTC)
Expired: Sep 8, 2005, 2:00 AM MDT
In force: 53 min
Issued by: NWS Bismarck, ND
Area: Counties, with a storm outline in the text

Counties Mercer County, ND, Oliver County, ND

The radar

The Bismarck radar (KBIS), 84 km from the middle of the area, began a volume at 07:10 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 7.1 hours before the alert went out and 88 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2120 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 198 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KBIS 080707
SVRBIS
NDC057-065-080800-
/O.NEW.KBIS.SV.W.0372.050908T0707Z-050908T0800Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
207 AM CDT THU SEP 8 2005

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL MERCER COUNTY IN SOUTH CENTRAL NORTH DAKOTA
  WESTERN OLIVER COUNTY IN SOUTH CENTRAL NORTH DAKOTA

* UNTIL 300 AM CDT(200 AM MDT)

* AT 205 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL.  THIS
  STORM WAS LOCATED 12 MILES SOUTH OF BEULAH...OR ABOUT 50 MILES EAST
  OF DICKINSON...AND MOVING EAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  3 MILES SOUTH OF BEULAT AT 210 AM CDT
  HANNOVER AROUND 250 AM CDT

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.

LAT...LON 4727 10179 4715 10194 4699 10189 4699 10128
      4729 10152

$$
TWH

2 follow-up statements

000 
WWUS53 KBIS 080733
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
232 AM CDT THU SEP 8 2005

NDC057-065-080800-
/O.CON.KBIS.SV.W.0372.000000T0000Z-050908T0800Z/
MERCER ND-OLIVER ND-
232 AM CDT THU SEP 8 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 300 AM CDT(200 AM
MDT) FOR WESTERN OLIVER AND SOUTH CENTRAL MERCER COUNTIES...

AT 227 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL. 
THIS STORM WAS LOCATED 9 MILES NORTHWEST OF HANNOVER...OR ABOUT 47
MILES NORTHWEST OF BISMARCK...MOVING EAST AT 20 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  6 MILES NORTH OF HANNOVER AROUND 250 AM CDT

A SECOND SEVERE THUNDERSTORMS WAS LOCATED 10 MILES SOUTH OF BEULAH 
ON THE MERCER OLIVER COUNTY LINE. THIS STORM WAS ALSO MOVING EAST AT 
20 MPH.

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY WITH THESE STORMS. DO NOT DRIVE YOUR 
VEHICLE ON A FLOODED ROADWAY.

LAT...LON 4727 10179 4715 10194 4699 10189 4699 10128
      4729 10152

$$
TWH

000 
WWUS53 KBIS 080802
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
302 AM CDT THU SEP 8 2005

NDC057-065-080812-
/O.EXP.KBIS.SV.W.0372.000000T0000Z-050908T0800Z/
MERCER ND-OLIVER ND-
302 AM CDT THU SEP 8 2005

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN OLIVER AND SOUTH
CENTRAL MERCER COUNTIES EXPIRED AT 300 AM CDT(200 AM MDT)...

THE SEVERE THUNDERSTORM HAS MOVED OUT OF THE AREA AND NO LONGER POSES
A SIGNIFICANT THREAT.

LAT...LON 4727 10179 4715 10194 4699 10189 4699 10128
      4729 10152

$$
TWH

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 Sep 7, 2:10 PM MDT, 10 hours 57 minutes earlier.

Area forecast discussion, Sep 7, 2:10 PM MDT, 10 hours 57 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BISMARCK ND
310 PM CDT WED SEP 7 2005

.SHORT TERM...TONIGHT THROUGH SATURDAY NIGHT
A ZONAL UPPER FLOW WILL BECOME SOUTHWESTERLY AND WILL GENERATE LEE
SIDE SURFACE TROUGHING THROUGH THE FORECAST PERIOD. THE POSITION OF
THE LOW WILL BE SUCH THAT LOW LEVEL MOISTURE WILL BE ADVECTED INTO
THE REGION. PASSING SHORT WAVES WILL CAPITALIZE ON THIS
PATTERN...GENERATING SEVERAL PRECIPITATION EVENTS WELL INTO THE
WEEKEND. THE FIRST SHORT WAVE THROUGH WILL BE TONIGHT...WITH ITS
EFFECT FELT IN THE SOUTHERN HALF OF THE STATE. THURSDAY NIGHT LOOKS
QUIET IN THE WEST...BUT WITH A CHANCE OF THUNDERSTORMS IN THE EAST.
FRIDAY NIGHT AND SATURDAY LOOKS ACTIVE AGAIN FOR ALL MY ZONES AS A
MODERATELY STRONG SHORT WAVE TRAVERSES THE AREA.

.LONG TERM...SUNDAY THROUGH WEDNESDAY
THE MODELS CONTINUE THE TREND OF THE PREVIOUS RUNS SLOWLY FILLING AN
UPPER LEVEL LOW IN THE PACIFIC NORTHWEST WHILE MOVING THE LOW INTO
THE ROCKIES.  THIS WILL KEEP THE REGION IN AN UNSTABLE AIRMASS WITH
POTENTIAL FOR PRECI/TSTMS AS SHORT WAVES MOVE THROUGH THE
LOW/TROUGH.  TEMPERATURES SHOULD BE WARMER THAN NORMAL ON
SUNDAY...BUT COOL SLOWLY THROUGH WEDNESDAY.

&&

.BIS WATCHES/WARNINGS/ADVISORIES...
NONE.

&&

RSL/TSW

Hazardous weather outlook, Sep 7, 3:39 AM MDT, 21 hours 28 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BISMARCK ND
439 AM CDT WED SEP 7 2005

NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-080939-
ADAMS-BILLINGS-BOTTINEAU-BOWMAN-BURKE-BURLEIGH-DICKEY-DIVIDE-DUNN-
EMMONS-FOSTER-GOLDEN VALLEY-GRANT-HETTINGER-KIDDER-LA MOURE-LOGAN-
MCHENRY-MCINTOSH-MCKENZIE-MCLEAN-MERCER-MORTON-MOUNTRAIL-OLIVER-
PIERCE-RENVILLE-ROLETTE-SHERIDAN-SIOUX-SLOPE-STARK-STUTSMAN-WARD-
WELLS-WILLIAMS-
INCLUDING THE CITIES OF...WILLISTON...MINOT...JAMESTOWN...
DICKINSON...CROSBY...BOWMAN...BOTTINEAU...BISMARCK...MANDAN...
WATFORD CITY...WASHBURN...STANLEY...RUGBY...MOTT...MEDORA...LINTON...
HETTINGER...HARVEY...ELLENDALE...CARRINGTON...BEULAH...BELCOURT...
BEACH AND ASHLEY
439 AM CDT WED SEP 7 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL NORTH
DAKOTA.

.DAY ONE...TODAY AND TONIGHT

THERE IS A CHANCE FOR STRONG TO SEVERE THUNDERSTORMS THIS AFTERNOON
AND TONIGHT. THE MAIN THREATS WITH THE STRONGER STORMS WILL BE LARGE
HAIL AND DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

HEINERT

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 7, 10:21 PM MDT	Severe Thunderstorm Warning	BIS	McIntosh	39 min
Sep 8, 12:27 AM MDT	Severe Thunderstorm Warning	BIS	Kidder	48 min
Sep 8, 2:00 AM MDT	Severe Thunderstorm Warning	BIS	McLean	45 min
Sep 8, 2:19 AM MDT	Severe Thunderstorm Warning	BIS	Stutsman	54 min
Sep 8, 2:22 AM MDT	Severe Thunderstorm Warning	BIS	Oliver	53 min
Sep 8, 2:37 AM MDT	Severe Thunderstorm Warning	BIS	McIntosh	38 min
Sep 8, 3:01 AM MDT	Severe Thunderstorm Warning	BIS	Logan	44 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2005 Every severe thunderstorm warning in 2005

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.