Alert archive / North Dakota / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 13, NWS Bismarck, ND

May 17, 1998Rolette County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at May 17, 1998, 9:03 PM CDT for Rolette County, North Dakota. It was in force for 62 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
May 17, 1998, 9:03 PM CDT (02:03 UTC)
Expired
May 17, 1998, 10:05 PM CDT
In force
62 min
Issued by
NWS Bismarck, ND
Area
Whole counties

County Rolette County, ND

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 17, 4:30 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 2.1 hours before the alert went out and 232 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-pSkew-T log-p diagram, Bismarck Municip, ND at 00:00Z on 1998-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 493 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 00:00Z on 1998-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
493 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
2753 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBIS 180206 RRA
SVRBIS
NDC079-180305-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
903 PM CDT SUN MAY 17 1998

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN ROLETTE COUNTY IN NORTH CENTRAL NORTH DAKOTA

* UNTIL 1005 PM CDT

* AT 900 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 25 MILES SOUTHEAST OF BOTTINEAU...OR 15 MILES
  SOUTH OF DUNSEITH... MOVING NORTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ROLETTE AT 920 PM CDT
  NANSON AT 925 PM CDT

SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNDING. GO INSIDE A STURDY BUILDING AND
STAY AWAY FROM WINDOWS!

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

Special weather statement, May 17, 8:07 PM CDT, 56 minutes before
NDZ001-002-010-019>021-035>037-180135-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
804 PM CDT (704 PM MDT) SUN MAY 17 1998

A PORTION OF THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED. THE
CANCELLED COUNTIES ARE ON THE WEST AND SOUTHERN EDGE OF THE WATCH
AREA AND INCLUDE DIVIDE...BURKE...MOUNTRAIL...MCLEAN...MERCER...
OLIVER...MORTON...BURLEIGH...KIDDER AND STUTSMAN COUNTIES.

THE WATCH REMAINS IN EFFECT OVER THE REMAINDER OF THE ORIGINAL
WATCH AREA UNTIL 10 PM CDT.
Local storm report, May 17, 8:52 PM CDT, 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  BISMARCK ND
852 PM CDT SUN MAY 17 1998

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0518 PM    3 W CARPIO                ND   TORNADO
05/17/98   WARD                           DEPUTY SHERIFF REPORT.

0523 PM    5 SW GRANO                ND   TORNADO
05/17/98   RENVILLE                       DEPUTY SHERIFF REPORT.

0650 PM    10 S MINOT                ND   0.75 INCH HAIL
05/17/98   WARD                           DEPUTY SHERIFF REPORT
                                          ALONG COUNTY ROAD 20.

0622 PM    LANSFORD                  ND   0.75 INCH HAIL
05/17/98   BOTTINEAU                      NATIONAL WEATHER SERVICE
                                          COOP OBSERVER REPORT.

0810 PM    WILLOW CITY               ND   0.75 INCH HAIL
05/17/98   BOTTINEAU                      STATE RADIO REPORT.

0825 PM    9 NE DRAKE                ND   2.50 INCH HAIL
05/17/98   MCHENRY                        NATIONAL WEATHER SERVICE
                                          COOP OBSERVER REPORT.

0845 PM    RED LAKE                  ND   2.50 INCH HAIL
05/17/98   PIERCE                         LAW ENFORCEMENT REPORT.
                                          RED LAKE IS A LAKE...NOT
                                          A TOWN.

JP MARTIN
Local storm report, May 17, 8:52 PM CDT, 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  BISMARCK ND
852 PM CDT SUN MAY 17 1998

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0518 PM    3 W CARPIO                ND   TORNADO
05/17/98   WARD                           DEPUTY SHERIFF REPORT.

0523 PM    5 SW GRANO                ND   TORNADO
05/17/98   RENVILLE                       DEPUTY SHERIFF REPORT.

0650 PM    10 S MINOT                ND   0.75 INCH HAIL
05/17/98   WARD                           DEPUTY SHERIFF REPORT
                                          ALONG COUNTY ROAD 20.

0622 PM    LANSFORD                  ND   0.75 INCH HAIL
05/17/98   BOTTINEAU                      NATIONAL WEATHER SERVICE
                                          COOP OBSERVER REPORT.

0810 PM    WILLOW CITY               ND   0.75 INCH HAIL
05/17/98   BOTTINEAU                      STATE RADIO REPORT.

0825 PM    9 NE DRAKE                ND   2.50 INCH HAIL
05/17/98   MCHENRY                        NATIONAL WEATHER SERVICE
                                          COOP OBSERVER REPORT.

0845 PM    RED LAKE                  ND   2.50 INCH HAIL
05/17/98   PIERCE                         LAW ENFORCEMENT REPORT.
                                          RED LAKE IS A LAKE...NOT
                                          A TOWN.

JP MARTIN

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 7:10 PM CDTSevere Thunderstorm WarningBISWard45 min
May 17, 7:17 PM CDTSevere Thunderstorm WarningBISBottineau, McHenry63 min
May 17, 7:50 PM CDTSevere Thunderstorm WarningBISMcHenry60 min
May 17, 8:23 PM CDTTornado WarningBISMcHenry47 min
May 17, 8:33 PM CDTSevere Thunderstorm WarningBISBottineau32 min
May 17, 8:39 PM CDTSevere Thunderstorm WarningBISPierce61 min
May 17, 8:58 PM CDTTornado WarningBISPierce47 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; the sounding from the Mesonet's radiosonde archive.