Alert archive / Minnesota / Tornado Warnings in 1999

Tornado Warning 3, NWS Twin Cities, MN

June 5, 1999Carver County, Scott County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 5, 1999, 4:27 PM CDT for Carver County, Scott County, Minnesota. It was in force for 33 min. 5 reports 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: Jun 5, 1999, 4:27 PM CDT (21:27 UTC)
Expired: Jun 5, 1999, 5:00 PM CDT
In force: 33 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

Counties Carver County, MN, Scott County, MN

The radar

The Minneapolis radar (KMPX), 15 km from the middle of the area, began a volume at 21:27 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.

What was reported inside it

Time	Report	Where	Remark
Jun 5, 4:29 PM CDT	Hail 2.75	Shakopee, MN	A few autos damaged.
Jun 5, 4:35 PM CDT	Tornado F0	Savage, MN
Jun 5, 4:35 PM CDT	Hail 3	Shakopee, MN	Car windows smashed, car bodies dented.
Jun 5, 4:36 PM CDT	Hail 1.75	Carver, MN
Jun 5, 4:50 PM CDT	Hail 0.88	Shakopee, 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.

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 5, 2:30 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.5 hours before the alert went out and 14 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: 358 J/kg
Mixed-layer CIN: -218 J/kg
Mixed-layer LCL: 1247 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: -35 m²/s²
0-3 km storm-relative helicity: 32 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

198 
WFUS1 KMSP 052128 RRA
TORMSP
MNC019-139-052200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
427 PM CDT SAT JUN 5 1999

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES/CHANHASSEN HAS
ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN CARVER COUNTY IN EAST CENTRAL MINNESOTA
  SCOTT COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 500 PM CDT

* AT 425 PM CDT...AN OFF DUTY METEOROLOGIST REPORTED A DEVELOPING
  TORNADO 5 TO 10 MILES SOUTHWEST OF SAVAGE...OR ABOUT 25 MILES
  SOUTHWEST OF MINNEAPOLIS.  THE STORM WAS MOVING NORTHEAST AT 25
  MPH.

* SOME LOCATIONS AFFECTED
  SHAKOPEE
  CHASKA
  CARVER
  BELLE PLAINE


GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR
TDK


&

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 5, 2:13 AM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Yellow Medicine	47 min
Jun 5, 3:02 AM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Yellow Medicine	28 min
Jun 5, 3:36 AM CDT	Severe Thunderstorm Warning	MPX	Stearns	54 min
Jun 5, 4:18 AM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker, Renville	42 min
Jun 5, 3:34 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin, Ramsey, Washington	46 min
Jun 5, 4:12 PM CDT	Severe Thunderstorm Warning	MPX	Chisago	33 min
Jun 5, 4:12 PM CDT	Tornado Warning	MPX	Washington	33 min
Jun 5, 4:15 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, Scott	65 min
Jun 5, 4:18 PM CDT	Severe Thunderstorm Warning	MPX	Ramsey	62 min
Jun 5, 4:44 PM CDT	Severe Thunderstorm Warning	MPX	Dakota	61 min
Jun 5, 4:50 PM CDT	Severe Thunderstorm Warning	MPX	Washington	40 min
Jun 5, 5:17 PM CDT	Severe Thunderstorm Warning	MPX	Scott	28 min
Jun 5, 5:47 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Washington	28 min

Nearby

Tornado Warnings in Minnesota, 1999 Every tornado warning in 1999 Tornadoes in 1999

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; radar from the NEXRAD Level II archive.