Alert archive / North Dakota / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 89, NWS Bismarck, ND

July 29, 1986Burleigh County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 29, 1986, 7:26 PM CDT for Burleigh County, North Dakota. It was in force for 49 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 29, 1986, 7:26 PM CDT (00:26 UTC)
Expired
Jul 29, 1986, 8:15 PM CDT
In force
49 min
Issued by
NWS Bismarck, ND
Area
Whole counties

County Burleigh County, ND

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jul 29, 8:11 PM CDTHail 2Burleigh, ND

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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 0.4 hours before the alert went out and 29 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 1986-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1008 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 1986-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 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
1008 J/kg
Mixed-layer CIN
-191 J/kg
Mixed-layer LCL
2590 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
148 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 7:10 PM CDTTornado WarningBISOliver20 min
Jul 29, 7:32 PM CDTSevere Thunderstorm WarningBISRolette43 min
Jul 29, 7:47 PM CDTSevere Thunderstorm WarningBISMorton28 min
Jul 29, 8:14 PM CDTSevere Thunderstorm WarningBISBurleigh, Morton46 min
Jul 29, 8:49 PM CDTSevere Thunderstorm WarningBISBenson, Eddy26 min
Jul 29, 8:49 PM CDTSevere Thunderstorm WarningBISRamsey, Towner26 min
Jul 29, 9:01 PM CDTSevere Thunderstorm WarningBISBurleigh44 min
Jul 29, 9:28 PM CDTSevere Thunderstorm WarningBISRamsey32 min
Jul 29, 9:33 PM CDTSevere Thunderstorm WarningBISKidder, Stutsman42 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1986Every severe thunderstorm warning in 1986

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.