Alert archive / North Dakota / Tornado Warnings in 2014

Tornado Warning 25, NWS Bismarck, ND

June 21, 2014McIntosh County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jun 21, 2014, 4:39 PM CDT for McIntosh County, North Dakota. It was in force for 23 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: Jun 21, 2014, 4:39 PM CDT (21:39 UTC)
Expired: Jun 21, 2014, 5:02 PM CDT
In force: 23 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.5 in

County McIntosh County, ND

The radar

The Aberdeen radar (KABR), 90 km from the middle of the area, began a volume at 21:41 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jun 21, 3:37 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 9.7 hours before the alert went out and 142 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 13 J/kg
Mixed-layer CIN: -255 J/kg
Mixed-layer LCL: 1795 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 205 m²/s²
0-3 km storm-relative helicity: 234 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.

419 
WFUS53 KBIS 212139
TORBIS
NDC051-212215-
/O.NEW.KBIS.TO.W.0025.140621T2139Z-140621T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
439 PM CDT SAT JUN 21 2014

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL MCINTOSH COUNTY IN SOUTHEAST NORTH DAKOTA...

* UNTIL 515 PM CDT

* AT 437 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 7 MILES EAST OF ASHLEY...OR 34 MILES WEST OF
  ELLENDALE...AND MOVING EAST AT 30 MPH.

  HAZARD...TORNADO AND PING PONG BALL SIZE HAIL.

  SOURCE...RADAR INDICATED ROTATION.

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
           TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
           LIKELY.

* THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF EAST CENTRAL
  MCINTOSH COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

&&

LAT...LON 4615 9907 4608 9900 4602 9903 4598 9934
      4611 9935
TIME...MOT...LOC 2140Z 260DEG 25KT 4605 9921

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

SIMOSKO/SCHILD

2 follow-up statements

046 
WWUS53 KBIS 212157
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
457 PM CDT SAT JUN 21 2014

NDC051-212215-
/O.CON.KBIS.TO.W.0025.000000T0000Z-140621T2215Z/
MCINTOSH ND-
457 PM CDT SAT JUN 21 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL MCINTOSH
COUNTY UNTIL 515 PM CDT...

AT 454 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 13 MILES NORTHWEST OF SPRING CREEK COLONY...OR 25 MILES
WEST OF ELLENDALE...MOVING EAST AT 30 MPH.

HAZARD...TORNADO AND PING PONG BALL SIZE HAIL. 

SOURCE...RADAR INDICATED ROTATION.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

THE PUBLIC REPORTED SEEING A WALL CLOUD 12 MILES NORTHEAST OF ASHLEY.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EXTREME EASTERN MCINTOSH COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

&&

LAT...LON 4601 9914 4610 9920 4613 9904 4612 9903
      4608 9900 4607 9900 4602 9903
TIME...MOT...LOC 2156Z 260DEG 25KT 4606 9902

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

SIMOSKO/SCHILD

233 
WWUS53 KBIS 212202
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
502 PM CDT SAT JUN 21 2014

NDC051-212212-
/O.CAN.KBIS.TO.W.0025.000000T0000Z-140621T2215Z/
MCINTOSH ND-
502 PM CDT SAT JUN 21 2014

...THE TORNADO WARNING FOR EAST CENTRAL MCINTOSH COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
 HOWEVER...SMALL HAIL...GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE
WITH THIS THUNDERSTORM.

IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM.

LAT...LON 4601 9914 4610 9920 4613 9904 4612 9903
      4608 9900 4607 9900 4602 9903
TIME...MOT...LOC 2202Z 260DEG 25KT 4607 9896

$$

SIMOSKO

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 12:23 PM CDT	Flash Flood Watch	BIS	Dickey, Emmons, Foster, Kidder, LaMoure, Logan and 3 more	12 hr
Jun 21, 2:55 PM CDT	Severe Thunderstorm Warning	BIS	Emmons	45 min
Jun 21, 3:50 PM CDT	Special Weather Statement	BIS	McIntosh	40 min
Jun 21, 4:08 PM CDT	Special Weather Statement	BIS	McIntosh	37 min
Jun 21, 4:32 PM CDT	Severe Thunderstorm Warning	BIS	Dickey, McIntosh	58 min
Jun 21, 5:39 PM CDT	Special Weather Statement	BIS	LaMoure	66 min
Jun 21, 5:42 PM CDT	Special Weather Statement	BIS	Dickey	63 min
Jun 21, 5:55 PM CDT	Special Weather Statement	BIS	Stutsman	65 min
Jun 21, 6:17 PM CDT	Special Weather Statement	BIS	Dickey	28 min
Jun 21, 6:22 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Stutsman	40 min

Nearby

Tornado Warnings in North Dakota, 2014 Every tornado warning in 2014 Tornadoes in 2014

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.