Alert archive / Minnesota / Tornado Warnings in 2006

Tornado Warning 18, NWS Twin Cities, MN

September 2, 2006Renville County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Sep 2, 2006, 2:35 PM CDT for Renville County, Minnesota. It was in force for 55 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Sep 2, 2006, 2:35 PM CDT (19:35 UTC)
Expired
Sep 2, 2006, 3:30 PM CDT
In force
55 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Renville County, MN

The radar

The Minneapolis radar (KMPX), 97 km from the middle of the area, began a volume at 19:35 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

TimeReportWhereRemark
Sep 2, 3:10 PM CDTFUNNEL CLOUD4 Sw Buffalo Lake, MNFUNNEL VISIBLE FOR A SHORT WHILE BUT COULD NOT TELL IF IT HAD TOUCHED DOWN DUE TO A GROVE OF TREES OBSTRUCTING THE VIEW.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 7.6 hours before the alert went out and 95 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, Minneapolis, MN at 12:00Z on 2006-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2006-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1190 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
55 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 
WFUS53 KMPX 021937
TORMPX
MNC129-022030-
/O.NEW.KMPX.TO.W.0018.060902T1935Z-060902T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
235 PM CDT SAT SEP 2 2006

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  RENVILLE COUNTY IN CENTRAL MINNESOTA...

* UNTIL 330 PM CDT

* AT 230 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
  TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS NEAR FAIRFAX...OR
  ABOUT 19 MILES EAST OF REDWOOD FALLS...AND MOVING NORTH AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HECTOR...
  FAIRFAX...
  BUFFALO LAKE...
  BIRD ISLAND...

ENVIRONMENTAL CONDITIONS SUGGEST THAT A SMALL TORNADO IS IMMINENT...
BUT WILL NOT LIKELY BE ON THE GROUND FOR A LONG TIME...OR CAUSE 
WIDESPREAD SEVERE DAMAGE. ANY TORNADOES THAT MAY FORM ARE EXPECTED 
TO BE RATHER WEAK AND SHORT LIVED.

LAT...LON 4449 9482 4449 9464 4487 9463 4487 9490

$$

KAT
3 follow-up statements
000 
WWUS53 KMPX 021955
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
252 PM CDT SAT SEP 2 2006

MNC129-022030-
/O.CON.KMPX.TO.W.0018.000000T0000Z-060902T2030Z/
RENVILLE MN-
252 PM CDT SAT SEP 2 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR RENVILLE
COUNTY...

AT 247 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE 
THUNDERSTORM CAPABLE OF PRODUCING WEAK TORNADOES. THE SEVERE 
THUNDERSTORM WAS LOCATED 7 MILES NORTH OF FAIRFAX...OR ABOUT 18 
MILES SOUTHEAST OF OLIVIA...AND MOVING NORTH AT 15 MPH.

THE STORM CAPABLE OF PRODUCING A TORNADO WILL AFFECT PORTIONS OF 
EASTERN RENVILLE COUNTY...INCLUDING THE COMMUNITIES OF 
HECTOR...BUFFALO LAKE...AND BIRD ISLAND. HIGHWAY 212 BETWEEN BUFFALO 
LAKE AND BIRD ISLAND WILL ALSO BE AFFECTED.

ENVIRONMENTAL CONDITIONS SUGGEST THAT A WEAK TORNADO MAY FORM...BUT 
WILL NOT LIKELY BE ON THE GROUND FOR A LONG TIME...OR CAUSE 
WIDESPREAD SEVERE DAMAGE.

LAT...LON 4449 9482 4449 9464 4487 9463 4487 9490

$$

KAT
000 
WWUS53 KMPX 022015
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
314 PM CDT SAT SEP 2 2006

MNC129-022030-
/O.CON.KMPX.TO.W.0018.000000T0000Z-060902T2030Z/
RENVILLE MN-
314 PM CDT SAT SEP 2 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR RENVILLE
COUNTY...

AT 310 PM CDT...A FUNNEL CLOUD WAS REPORTED 4 MILES SOUTHWEST OF 
BUFFALO LAKE.

AT 313 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE 
THUNDERSTORM CAPABLE OF PRODUCING A WEAK TORNADO. THE SEVERE 
THUNDERSTORM WAS LOCATED NEAR HECTOR AND MOVING NORTH AT 15 MPH.

THE STORM CAPABLE OF PRODUCING A TORNADO WILL AFFECT PORTIONS OF 
NORTHEASTERN RENVILLE COUNTY...INCLUDING THE COMMUNITIES OF 
HECTOR...BUFFALO LAKE...AND BIRD ISLAND. HIGHWAY 212 BETWEEN BUFFALO 
LAKE AND BIRD ISLAND WILL ALSO BE AFFECTED.

ENVIRONMENTAL CONDITIONS SUGGEST THAT A WEAK TORNADO MAY FORM...BUT 
WILL NOT LIKELY BE ON THE GROUND FOR A LONG TIME...OR CAUSE 
WIDESPREAD SEVERE DAMAGE.

LAT...LON 4449 9482 4449 9464 4487 9463 4487 9490

$$

KAT
000 
WWUS53 KMPX 022030
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
328 PM CDT SAT SEP 2 2006

MNC129-022038-
/O.EXP.KMPX.TO.W.0018.000000T0000Z-060902T2030Z/
RENVILLE MN-
328 PM CDT SAT SEP 2 2006

...THE TORNADO WARNING FOR RENVILLE COUNTY EXPIRES AT 330 PM CDT...

THE STORM THAT PROMPTED THE WARNING HAS WEAKENED...AND NO LONGER 
APPEARS CAPABLE OF PRODUCING A TORNADO. STORMS REMAIN OVER EASTERN 
RENVILLE COUNTY...AND WILL BE CAPABLE OF PRODUCING COLD AIR FUNNEL 
CLOUDS THROUGH MID EVENING. THE FUNNELS ARE NOT EXPECTED TO TOUCH 
DOWN. HOWEVER...IF ANY OF THE FUNNELS TOUCH DOWN...REPORT THEM 
IMMEDIATELY TO LAW ENFORCEMENT FOR RELAY TO THE NATIONAL WEATHER 
SERVICE...AND SEEK SHELTER IMMEDIATELY.

LAT...LON 4449 9482 4449 9464 4487 9463 4487 9490

$$

KAT

Nearby

Tornado Warnings in Minnesota, 2006Every tornado warning in 2006Tornadoes in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.