Alert archive / North Dakota / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 65, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jul 6, 1998, 7:24 PM CDT for McLean County, Sheridan County, North Dakota. It was in force for 46 min. 1 report 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 6, 1998, 7:24 PM CDT (00:24 UTC)
- Expired
- Jul 6, 1998, 8:10 PM CDT
- In force
- 46 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
Counties McLean County, ND, Sheridan County, ND
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 6, 7:40 PM CDT | Hail 0.75 | Mcclusky, ND | Damage occurred to sunflower crop. |
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 nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 0.4 hours before the alert went out and 92 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
- 461 J/kg
- Mixed-layer CIN
- -107 J/kg
- Mixed-layer LCL
- 1180 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
236 WUUS1 KBIS 070026 RRA SVRBIS NDC055-083-070110- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BISMARCK ND 724 PM CDT MON JUL 6 1998 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN MCLEAN COUNTY IN CENTRAL NORTH DAKOTA SHERIDAN COUNTY IN CENTRAL NORTH DAKOTA * UNTIL 810 PM CDT * AT 720 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM A CLUSTER OF SEVERE THUNDERSTORMS 60 NORTHEAST TO 40 NORTH OF BISMARCK...MOVING SOUTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORMS WILL BE NEAR... MERCER AT 730 PM CDT MCLUSKY AT 740 PM CDT DENHOFF AT 745 PM CDT GOODRICH AT 755 PM CDT SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS WAA
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.
In the hours before
Local storm report, Jul 6, 5:51 PM CDT, 1 hour 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
551 PM CDT MON JUL 6 1998
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0432 PM 2 SW FOXHOLM ND 2.75 INCH HAIL
07/06/98 WARD
0420 PM BERTHOLD ND 1.75 INCH HAIL
07/06/98 WARD
0449 PM 15 E PARSHALL ND TORNADO
07/06/98 WARD STANLEY RADAR OPERATOR
REPORTED TORNADO VIA ARB
PILOT
0450 PM RYDER ND TORNADO
07/06/98 WARD TORNADO REPORTED BY
SPOTTERS
0520 PM 19 S MINOT ND 1.75 INCH HAIL
07/06/98 WARD
LLPLocal storm report, Jul 6, 5:51 PM CDT, 1 hour 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
551 PM CDT MON JUL 6 1998
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0432 PM 2 SW FOXHOLM ND 2.75 INCH HAIL
07/06/98 WARD
0420 PM BERTHOLD ND 1.75 INCH HAIL
07/06/98 WARD
0449 PM 15 E PARSHALL ND TORNADO
07/06/98 MOUNTRAIL STANLEY RADAR OPERATOR
REPORTED TORNADO VIA ARB
PILOT
0450 PM RYDER ND TORNADO
07/06/98 WARD TORNADO REPORTED BY
z SPOTTERS
0520 PM 19 S MINOT ND 1.75 INCH HAIL
07/06/98 WARD
LLPLocal storm report, Jul 6, 5:51 PM CDT, 1 hour 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
551 PM CDT MON JUL 6 1998
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0432 PM 2 SW FOXHOLM ND 2.75 INCH HAIL
07/06/98 WARD
0420 PM BERTHOLD ND 1.75 INCH HAIL
07/06/98 WARD
0449 PM 15 E PARSHALL ND TORNADO
07/06/98 WARD STANLEY RADAR OPERATOR
REPORTED TORNADO VIA ARB
PILOT
0450 PM RYDER ND TORNADO
07/06/98 WARD TORNADO REPORTED BY
SPOTTERS
0520 PM 19 S MINOT ND 1.75 INCH HAIL
07/06/98 WARD
LLPThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 7:00 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 35 min |
| Jul 6, 7:01 PM CDT | Severe Thunderstorm Warning | BIS | Sheridan | 44 min |
| Jul 6, 7:12 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 33 min |
| Jul 6, 8:14 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau | 51 min |
| Jul 6, 8:45 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh | 30 min |
| Jul 6, 9:03 PM CDT | Severe Thunderstorm Warning | BIS | Emmons | 62 min |
| Jul 6, 9:28 PM CDT | Severe Thunderstorm Warning | BIS | McHenry | 47 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 1998Every severe thunderstorm warning in 1998
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.