Alert archive / North Dakota / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 171, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Sep 8, 2009, 4:09 AM CDT for 4 counties in North Dakota. It was in force for 51 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
- Sep 8, 2009, 4:09 AM CDT (09:09 UTC)
- Expired
- Sep 8, 2009, 5:00 AM CDT
- In force
- 51 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
Counties McHenry County, ND, McLean County, ND, Sheridan County, ND, Ward County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 9.2 hours before the alert went out and 128 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.
- Mixed-layer CAPE
- 1321 J/kg
- Mixed-layer CIN
- -99 J/kg
- Mixed-layer LCL
- 1460 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 8, 3:48 AM CDT, 21 minutes earlier.
Area forecast discussion, Sep 8, 3:48 AM CDT, 21 minutes before
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</html>Hazardous weather outlook, Sep 7, 4:23 PM CDT, 11 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BISMARCK ND 423 PM CDT MON SEP 7 2009 NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-081100- DIVIDE-BURKE-RENVILLE-BOTTINEAU-ROLETTE-WILLIAMS-MOUNTRAIL-WARD- MCHENRY-PIERCE-MCKENZIE-DUNN-MERCER-OLIVER-MCLEAN-SHERIDAN-WELLS- FOSTER-GOLDEN VALLEY-BILLINGS-STARK-MORTON-BURLEIGH-KIDDER- STUTSMAN-SLOPE-HETTINGER-GRANT-BOWMAN-ADAMS-SIOUX-EMMONS-LOGAN- LA MOURE-MCINTOSH-DICKEY- 423 PM CDT MON SEP 7 2009 /323 PM MDT MON SEP 7 2009/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL NORTH DAKOTA...NORTHWEST NORTH DAKOTA...SOUTH CENTRAL NORTH DAKOTA...SOUTHEAST NORTH DAKOTA AND SOUTHWEST NORTH DAKOTA. .DAY ONE...TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED THROUGH SUNSET ACROSS WESTERN AND CENTRAL NORTH DAKOTA. A FEW STRONG STORMS MAY PRODUCE HAIL UP TO PENNY SIZE AND WIND GUSTS AROUND 50 MPH...BUT THE THREAT FOR WIDESPREAD SEVERE WEATHER IS LOW. BY LATE EVENING...MORE WIDESPREAD SHOWERS AND THUNDERSTORMS ARE EXPECTED...WITH LOCALLY HEAVY RAIN POSSIBLE. SOME LOCATIONS MAY RECEIVE AN INCH OR TWO BY DAY BREAK TUESDAY...MAINLY ACROSS NORTH CENTRAL NORTH DAKOTA FROM THE MINOT AREA TO AROUND GARRISON. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY LOCALLY HEAVY RAIN WILL CONTINUE INTO TUESDAY MORNING...MAINLY ACROSS THE NORTH CENTRAL AND NORTHEAST COUNTIES. ADDITIONAL THUNDERSTORM REDEVELOPMENT IS POSSIBLE BY LATE AFTERNOON OVER THE SOUTHEAST COUNTIES...MAINLY FROM JAMESTOWN EAST. A FEW SEVERE STORMS ARE POSSIBLE INTO THE EARLY EVENING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT LIKELY TONIGHT...BUT MAY BE NEEDED LATE TUESDAY AFTERNOON IN THE SOUTHEAST COUNTIES KINNEY
In the hours before
Special weather statement, Sep 8, 2:17 AM CDT, 1 hour 52 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 217 AM CDT TUE SEP 8 2009 NDZ011-080815- WARD- 217 AM CDT TUE SEP 8 2009 ...SPECIAL WEATHER STATEMENT... AT 212 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 22 MILES WEST OF MINOT TO 35 MILES SOUTHWEST OF MINOT...MOVING NORTHEAST AT 30 MPH. PEA SIZE HAIL...WINDS GREATER THAN 40 MPH...CONTINUOUS CLOUD TO GROUND LIGHTNING AND HEAVY DOWNPOURS...ARE POSSIBLE WITH THESE STORMS. STREET FLOODING...ESPECIALLY OF UNDERPASSES AND LOW LYING STREETS ARE POSSIBLE IN MINOT. DO NOT DRIVE INTO WATER COVERED ROADS. * THUNDERSTORMS WILL BE NEAR... DOUGLAS AND 6 MILES SOUTHEAST OF CARPIO BY 230 AM CDT... FOXHOLM AND DES LACS BY 235 AM CDT... BURLINGTON BY 250 AM CDT... MINOT AIR FORCE BASE BY 300 AM CDT... MINOT BY 305 AM CDT... LOGAN AND SURREY BY 315 AM CDT... IF YOU HEAR THUNDER OR SEE LIGHTNING REMAIN INDOORS. PJA
Special weather statement, Sep 8, 2:22 AM CDT, 1 hour 47 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 222 AM CDT TUE SEP 8 2009 NDZ011-080815- WARD- 222 AM CDT TUE SEP 8 2009 ...SPECIAL WEATHER STATEMENT... AT 220 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 18 MILES NORTHWEST OF MINOT TO 27 MILES SOUTHWEST OF MINOT...MOVING NORTHEAST AT 25 MPH. PEA SIZE HAIL...WINDS GREATER THAN 40 MPH...CONTINUOUS CLOUD TO GROUND LIGHTNING AND HEAVY DOWNPOURS...ARE POSSIBLE WITH THESE STORMS. STREET FLOODING...ESPECIALLY OF UNDERPASSES AND LOW LYING STREETS ARE POSSIBLE IN MINOT. DO NOT DRIVE INTO WATER COVERED ROADS. * THUNDERSTORMS WILL BE NEAR... BURLINGTON BY 240 AM CDT... MINOT AIR FORCE BASE BY 250 AM CDT... MINOT BY 255 AM CDT... LOGAN BY 305 AM CDT... SURREY BY 310 AM CDT... GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THESE STORMS HAVE PASSED. PJA
Local storm report, Sep 8, 2:23 AM CDT, 1 hour 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
223 AM CDT TUE SEP 08 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0215 AM TSTM WND GST 12 NE DICKINSON 47.00N 102.61W
09/08/2009 E70 MPH DUNN ND TRAINED SPOTTER
THE WIND GUST BLEW OVER A DEAD TREE...10 INCH DIAMETER
AND 16 FEET HIGH. PEA SIZED HAIL AS WELL. ARB OBSERVER.
&&
JVININGLocal storm report, Sep 8, 2:28 AM CDT, 1 hour 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
228 AM CDT TUE SEP 08 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0226 AM TSTM WND GST TAYLOR 46.90N 102.43W
09/08/2009 M63 MPH STARK ND CO-OP OBSERVER
SMALL HAIL.
&&
JVININGLocal storm report, Sep 8, 3:04 AM CDT, 1 hour 5 minutes before
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</html>Special weather statement, Sep 8, 4:00 AM CDT, 9 minutes before
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</html>The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 12:32 AM CDT | Areal Flood Advisory | BIS | Mountrail | 3 hr |
| Sep 8, 12:55 AM CDT | Severe Thunderstorm Warning | BIS | Bowman, Slope | 50 min |
| Sep 8, 1:21 AM CDT | Areal Flood Advisory | BIS | McLean, Mountrail | 3 hr |
| Sep 8, 1:34 AM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Hettinger, Slope | 41 min |
| Sep 8, 2:14 AM CDT | Severe Thunderstorm Warning | BIS | Dunn, Stark | 46 min |
| Sep 8, 2:38 AM CDT | Severe Thunderstorm Warning | BIS | Dunn, Grant, Mercer, Morton, Oliver, Stark | 67 min |
| Sep 8, 2:40 AM CDT | Tornado Warning | BIS | Morton, Stark | 35 min |
| Sep 8, 3:23 AM CDT | Severe Thunderstorm Warning | BIS | Morton, Oliver | 37 min |
| Sep 8, 4:43 AM CDT | Areal Flood Advisory | BIS | McHenry, Ward | 3 hr |
| Sep 8, 12:44 PM CDT | Areal Flood Advisory | BIS | Dickey, LaMoure | 6 hr |
Nearby
Severe Thunderstorm Warnings in North Dakota, 2009Every severe thunderstorm warning in 2009
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.