Alert archive / North Dakota / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 147, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Aug 7, 2003, 3:30 AM MDT for Stark 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 outline as issued.
The facts
- Issued
- Aug 7, 2003, 3:30 AM MDT (09:30 UTC)
- Expired
- Aug 7, 2003, 4:30 AM MDT
- In force
- 60 min
- Issued by
- NWS Bismarck, ND
- Area
- Counties, with a storm outline in the text
County Stark County, ND
The radar
The Bismarck radar (KBIS), 161 km from the middle of the area, began a volume at 09:31 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, 9.5 hours before the alert went out and 166 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2014 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KBIS 070930 SVRBIS NDC089-071030- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BISMARCK ND 330 AM MDT THU AUG 7 2003 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... STARK COUNTY IN SOUTHWEST NORTH DAKOTA THIS INCLUDES THE CITY OF DICKINSON * UNTIL 430 AM MDT * AT 330 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 19 MILES WEST OF DICKINSON...MOVING SOUTHEAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... BELFIELD AT 335 AM MDT DICKINSON AT 400 AM MDT LAT...LON 4696 10317 4674 10322 4666 10249 4691 10234 $$ RSL
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 Aug 7, 1:55 AM MDT, 1 hour 35 minutes earlier.
Area forecast discussion, Aug 7, 1:55 AM MDT, 1 hour 35 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BISMARCK ND 255 AM THU AUG 7 2003 THUNDERSTORMS ARE MOVING INTO WESTERN NORTH DAKOTA THIS MORNING. THE AIRMASS SHOULD BE MORE STABLE AS IT MOVES EAST BUT WILL ADD A CHANCE OF MORNING THUNDERSTORMS TO CENTRAL PART OF STATE. MODELS INDICATE 700 MB TEMP WILL BE WARM ENOUGH TO CAP POTENTIAL CONVECTION THIS AFTERNOON AND WILL HOLD OFF ANY CHANCE OF TSTORMS UNTIL THIS EVENING LOOKING FOR EVENTS SIMILAR TO THIS MORNING WITH CONVECTION STARTING IN MONTANA AND ADVECTING INTO STATE. UPPER LEVEL RIDGE WILL FLATTEN ON FRIDAY LETTING A SHORT WAVE MOVE OVER IT INCREASING INSTABILITY IN THE AFTERNOON. WILL ADD CHANCE OF TSTORMS TO WEST AND NORTH IN THE AFTERNOON...CONTINUING INTO SATURDAY WHEN RIDGE REBOUNDS STABILIZING AIRMASS OVER ND. RIDGE WILL BLOCK ANY CHANCE OF THUNDERSTORMS THROUGH WEDNESDAY. .BIS...NONE. TSW
Hazardous weather outlook, Aug 7, 3:23 AM MDT, 7 minutes before
NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-080915- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BISMARCK ND 423 AM CDT THU AUG 7 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL NORTH DAKOTA. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS CAN BE EXPECTED IN WESTERN NORTH DAKOTA THIS MORNING...AND SOME COULD BE SEVERE IN THE SOUTHWEST. THE THUNDERSTORMS SHOULD END BY LATE MORNING. THERE IS A SLIGHT CHANCE OF THUNDERSTORMS AGAIN TONIGHT AS A LOW PRESSURE TROUGH MOVES NEAR THE MONTANA/NORTH DAKOTA BORDER...IF ANY DEVELOP SOME COULD BE SEVERE. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THERE IS A CHANCE OF THUNDERSTORMS FRIDAY THROUGH SATURDAY AS A LOW PRESSURE TROUGH IN EASTERN MONTANA MOVES SLOWLY EAST AND WEAKENS. IF ANY THUNDERSTORMS DEVELOP...SOME COULD BE SEVERE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TONIGHT THROUGH SATURDAY.
In the hours before
Special weather statement, Aug 7, 2:55 AM MDT, 35 minutes before
NDZ001-009-017-071055- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLISTON ND 355 AM CDT (255 AM MDT) THU AUG 7 2003 AT 355 AM CDT (255 AM MDT) WIDESPREAD SHOWERS AND THUNDERSTORMS WERE AFFECTING MOST OF NORTHWESTERN NORTH DAKOTA. LOCAL RADAR INDICATED THAT THE STRONGEST STORMS WERE SCATTERED ACROSS WESTERN AND CENTRAL MCKENZIE COUNTY...SLOWLY MOVING EAST. THESE STORMS MAY PRODUCE WIND GUSTS TO 40 MPH...PERIODS OF HEAVY RAIN AND SOME SMALL HAIL. OTHERWISE...RESIDENTS OF THE REGION CAN EXPECT A RUMBLY MORNING WITH FREQUENT LIGHTNING AND LIGHT TO MODERATE RAINFALL. THOMSON
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 1:53 AM MDT | Severe Thunderstorm Warning | BIS | Golden Valley | 52 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 2003Every severe thunderstorm warning in 2003
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.