Alert archive / North Dakota / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 37, NWS Bismarck, ND

June 26, 1998Mercer County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jun 26, 1998, 2:59 AM MDT for Mercer County, North Dakota. It was in force for 31 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
Jun 26, 1998, 2:59 AM MDT (08:59 UTC)
Expired
Jun 26, 1998, 3:30 AM MDT
In force
31 min
Issued by
NWS Bismarck, ND
Area
Whole counties

County Mercer County, ND

The radar

The Bismarck radar (KBIS), 101 km from the middle of the area, began a volume at 09:03 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.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 9.0 hours before the alert went out and 105 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 1998-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 40 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 00:00Z on 1998-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
40 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
2208 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBIS 260858 RRA
SVRBIS
NDC057-260930-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
359 AM CDT (259 AM MDT) FRI JUN 26 1998

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN MERCER COUNTY IN CENTRAL NORTH DAKOTA

* UNTIL 330 AM MDT (430 AM CDT)

* AT 355 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 45 MILES SOUTH OF MINOT...5 MILES SOUTHWEST OF
  PICK CITY...MOVING NORTHEAST AT 25 MPH..

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PICK CITY AT 405 AM CDT

DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!
,
HAMILTON

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, Jun 26, 1:44 AM MDT, 1 hour 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  BISMARCK ND
244 AM CDT FRI JUN 26 1998

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

0155 AM    MEDORA                    ND   0.75 INCH HAIL
06/26/98   BILLINGS                       DEPUTY SHERIFF REPORTED A
                                          LOT OF DIME SIZE HAIL IN
                                          THE TOWN OF MEDORA.

JP MARTIN
Local storm report, Jun 26, 1:44 AM MDT, 1 hour 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  BISMARCK ND
244 AM CDT FRI JUN 26 1998

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

0155 AM    MEDORA                    ND   0.75 INCH HAIL
06/26/98   BILLINGS                       DEPUTY SHERIFF REPORTED A
                                          LOT OF DIME SIZE HAIL IN
                                          THE TOWN OF MEDORA.

JP MARTIN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 12:38 AM MDTSevere Thunderstorm WarningBISBillings62 min
Jun 26, 12:13 PM MDTSevere Thunderstorm WarningBISMcIntosh32 min
Jun 26, 2:03 PM MDTTornado WarningBISDickey32 min
Jun 26, 4:36 PM MDTTornado WarningBISBurke34 min
Jun 26, 5:30 PM MDTSevere Thunderstorm WarningBISBottineau35 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; radar from the NEXRAD Level II archive.