Alert archive / Minnesota / Tornado Warnings in 1988

Tornado Warning 2, NWS Twin Cities, MN

July 7, 1988Yellow Medicine County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 7, 1988, 4:42 PM CDT for Yellow Medicine County, Minnesota. It was in force for 28 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 7, 1988, 4:42 PM CDT (21:42 UTC)
Expired: Jul 7, 1988, 5:10 PM CDT
In force: 28 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

County Yellow Medicine County, MN

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

Time	Report	Where	Remark
Jul 7, 4:52 PM CDT	Hail 1.5	Yellow Medicine, MN

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

Minneapolis, MN (KSTC), launched 12:00Z, 9.7 hours before the alert went out and 180 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: 565 J/kg
Mixed-layer CIN: -158 J/kg
Mixed-layer LCL: 1522 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 162 m²/s²
0-3 km storm-relative helicity: 148 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 KSTC 072142 RRA
TORSTC
MNC173-072210-

BULLETIN - EBS ACTIVATION REQUESTED
TORNDAO WARNING
NATIONAL WEATHER SERVICE ST CLOUD MN
442PM CDT THU JUL 7 1988

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNDAO WARNING EFFECTIVE
UNTIL 510PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF CENTRAL
MINNESOTA

                 YELLOW MEDICINE
                   
INCLUDING THE CITIES OF
ST. LEO AND CANBY



AT 438PM CDT THE YELLOW MEDICINE COUNTY SHERIFFS OFFICE REPORTED A
FUNNEL CLOUD IN THE VICINITY OF CANBY MINNESOTA...55 MILES NORTHWEST
OF REDWOOD FALLS. THIS DANGEROUS STORM WAS MOVING NORTHEAST AT 35
MPH.


THIS IS A DANGEROUS STORM. ACT QUICKLY. IF YOU ARE IN THE PATH OF
THIS TORNADO MOVE TO A SHELTER BELOW GROUND I]F AVAILABLE.
OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE.
AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES FOR A REINFORCED
BUILDING OR GET INTO A DITCH OR CULVERT.

WDV/JF

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 7, 5:10 PM CDT	Severe Thunderstorm Warning	MPX	Yellow Medicine	60 min
Jul 7, 6:21 PM CDT	Tornado Warning	MPX	Stearns	24 min
Jul 7, 6:40 PM CDT	Tornado Warning	MPX	Stearns	35 min

Nearby

Tornado Warnings in Minnesota, 1988 Every tornado warning in 1988 Tornadoes in 1988

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.