Alert archive / North Dakota / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 5, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at May 13, 1998, 10:22 PM CDT for McLean County, Mercer County, North Dakota. It was in force for 48 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
- May 13, 1998, 10:22 PM CDT (03:22 UTC)
- Expired
- May 13, 1998, 11:10 PM CDT
- In force
- 48 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
Counties McLean County, ND, Mercer County, ND
The radar
The Bismarck radar (KBIS), 98 km from the middle of the area, began a volume at 03:21 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 |
|---|---|---|---|
| May 13, 11:00 PM CDT | Hail 1 | Max, ND | Newspaper reported slight damage to house and a field of grain. |
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 |
|---|---|---|---|
| May 13, 6:00 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 3.4 hours before the alert went out and 101 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
- 655 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 1459 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 250 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 7.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBIS 140324 RRA SVRBIS NDC055-057-140410- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BISMARCK ND 1022 PM CDT (922 PM MDT) WED MAY 13 1998 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN MCLEAN COUNTY IN CENTRAL NORTH DAKOTA EXTREME EASTERN MERCER COUNTY IN CENTRAL NORTH DAKOTA * UNTIL 1110 PM CDT (1010 PM MDT) * AT 1020 PM CDT...920 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 50 MILES SOUTH OF MINOT...OR 4 MILES NORTHWEST OF STANTON...MOVING NORTHEAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... STANTON UNTIL 1030 PM CDT UNDERWOOD BY 1040 PM CDT TURTLE LAKE BY 1055 PM CDT GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. JP MARTIN
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, May 13, 9:54 PM CDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
954 PM CDT WED MAY 13 1998
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0630 PM 10 N NEW ENGLAND ND 0.75 INCH HAIL
05/13/98 STARK
0626 PM KILLDEER ND 0.75 INCH HAIL
05/13/98 DUNN
0718 PM 10 NW HEBRON ND TORNADO
05/13/98 STARK SPOTTERS REPORTED BRIEF
TOUCHDOWN OF TORNADO.
0845 PM PRICE ND TORNADO
05/13/98 OLIVER BRIEF TOUCHDOWN REPORTED.
0910 PM 1 W WILTON ND TORNADO
05/13/98 BURLEIGH TORNADO BRIEFLY ON THE
GROUND
0930 PM 5 E WILTON ND TORNADO
05/13/98 BURLEIGH BRIEF TOUCHDOWN
0905 PM 5 E PRICE ND 1.00 INCH HAIL
05/13/98 OLIVER
FRANSENLocal storm report, May 13, 9:54 PM CDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
954 PM CDT WED MAY 13 1998
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0630 PM 10 N NEW ENGLAND ND 0.75 INCH HAIL
05/13/98 STARK
0626 PM KILLDEER ND 0.75 INCH HAIL
05/13/98 DUNN
0718 PM 10 NW HEBRON ND TORNADO
05/13/98 STARK SPOTTERS REPORTED BRIEF
TOUCHDOWN OF TORNADO.
0845 PM PRICE ND TORNADO
05/13/98 OLIVER BRIEF TOUCHDOWN REPORTED.
0910 PM 1 W WILTON ND TORNADO
05/13/98 BURLEIGH TORNADO BRIEFLY ON THE
GROUND
0930 PM 5 E WILTON ND TORNADO
05/13/98 BURLEIGH BRIEF TOUCHDOWN
0905 PM 5 E PRICE ND 1.00 INCH HAIL
05/13/98 OLIVER
FRANSENSpecial weather statement, May 13, 10:05 PM CDT, 17 minutes before
NDZ010>013-017>022-032>035-040>042-140405- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 1005 PM CDT WED MAY 13 1998 ...TORNADO WATCH CONTINUES UNTIL 11 PM CDT...10 PM MDT...FOR MOST OF WESTERN AND CENTRAL NORTH DAKOTA... MAJOR CITIES IN THIS TORNADO WATCH ARE...DICKINSON...BISMARCK/MANDAN... AND MINOT. A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. AT 10 PM CDT THUNDERSTORMS WERE OCCURRING BETWEEN BISMARCK AND MINOT. THEY WERE MOVING NORTHEAST. AT 10 PM THESE STORMS WERE NOT SEVERE BUT THEY WERE PRODUCING TORRENTIAL RAIN AND PEA SIZE HAIL IN MERCER AND MCLEAN COUNTIES. JP MARTIN
Special weather statement, May 13, 10:05 PM CDT, 17 minutes before
NDZ010>013-017>022-032>035-040>042-140405- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 1005 PM CDT WED MAY 13 1998 ...TORNADO WATCH CONTINUES UNTIL 11 PM CDT...10 PM MDT...FOR MOST OF WESTERN AND CENTRAL NORTH DAKOTA... MAJOR CITIES IN THIS TORNADO WATCH ARE...DICKINSON...BISMARCK/MANDAN... AND MINOT. A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. AT 10 PM CDT THUNDERSTORMS WERE OCCURRING BETWEEN BISMARCK AND MINOT. THEY WERE MOVING NORTHEAST. AT 10 PM THESE STORMS WERE NOT SEVERE BUT THEY WERE PRODUCING TORRENTIAL RAIN AND PEA SIZE HAIL IN MERCER AND MCLEAN COUNTIES. JP MARTIN
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 7:20 PM CDT | Tornado Warning | BIS | Morton | 45 min |
| May 13, 7:51 PM CDT | Severe Thunderstorm Warning | BIS | Oliver | 64 min |
| May 13, 8:05 PM CDT | Tornado Warning | BIS | Morton | 30 min |
| May 13, 8:31 PM CDT | Tornado Warning | BIS | Oliver | 29 min |
| May 13, 8:48 PM CDT | Tornado Warning | BIS | Burleigh | 47 min |
| May 14, 5:27 PM CDT | Tornado Warning | BIS | Sheridan | 43 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; radar from the NEXRAD Level II archive.