Alert archive / Iowa / Tornado Warnings in 2000

Tornado Warning 28, NWS Omaha, NE

June 13, 2000Fremont County, Page County, Iowa

NWS Omaha, NE issued this tornado warning at Jun 13, 2000, 4:11 PM CDT for Fremont County, Page County, Iowa. It was in force for 34 min. 3 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Jun 13, 2000, 4:11 PM CDT (21:11 UTC)
Expired
Jun 13, 2000, 4:45 PM CDT
In force
34 min
Issued by
NWS Omaha, NE
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Fremont County, IA, Page County, IA

The radar

The Omaha radar (KOAX), 81 km from the middle of the area, began a volume at 21:14 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
Jun 13, 4:15 PM CDTThunderstorm Wind 57 EOakland, IAThunderstorm winds estimated at 65 mph uprooted a tree in Oakland.
Jun 13, 4:20 PM CDTTornado F0Essex, IAThis small tornado was originally reported by a law enforcement official. The tornado was also caught on film by a storm chaser.
Jun 13, 4:26 PM CDTTornado F0Coburg, IAThis tornado was also caught on film by the same chaser that filmed the tornado by Essex Iowa. This tornado was on the ground for around 8 miles.

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.

IssuedProductOfficeLasted
Jun 13, 2:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 9.2 hours before the alert went out and 81 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, Omaha, NE at 12:00Z on 2000-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 997 joules per kilogram.LCLLFCEL10008507005003002001001 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, Omaha, NE at 12:00Z on 2000-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.193958Sfc1 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
997 J/kg
Mixed-layer CIN
-254 J/kg
Mixed-layer LCL
1473 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
83 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 KOAX 132111
TOROMA
IAC071-129-137-145-155-132145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
411 PM CDT TUE JUN 13 2000

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR...
  FREMONT COUNTY IN SOUTHWEST IOWA
  MILLS COUNTY IN SOUTHWEST IOWA
  MONTGOMERY COUNTY IN SOUTHWEST IOWA
  PAGE COUNTY IN SOUTHWEST IOWA
  POTTAWATTAMIE COUNTY IN SOUTHWEST IOWA

* UNTIL 445 PM CDT

* AT 404 PM CDT...RADAR INDICATED A THUNDERSTORM WITH STRONG ROTATION
  AND A POSSIBLE TORNADO 4 MILES SOUTHEAST OF RANDOLPH...OR ABOUT 39
  MILES SOUTHEAST OF OMAHA...MOVING NORTHEAST AT 30 MPH.

SOME LOCATIONS IN THE PATH OF THE TORNADO THROUGH 445 PM CDT
  INCLUDE...ESSEX...SHAMBAUGH...HASTINGS...COBURG...CLARINDA...
  EMERSON...TREYNOR...RED OAK...

IF YOU ARE IN THE PATH OF A TORNADO...GO TO A BASEMENT. IF A BASEMENT
IS NOT AVAILABLE...TAKE COVER IN AN INTERIOR ROOM ON THE LOWEST LEVEL
OF YOUR HOME OR BUSINESS. AVOID WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT TUESDAY EVENING
FOR SOUTHWESTERN IOWA AND EASTERN NEBRASKA.

LAT...LON 4135 9575 4059 9562 4060 9498 4146 9518

FOBERT

NNNNV

The office that day

Everything else NWS Omaha, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 13, 2:02 PM CDTTornado WarningOAXPottawattamie43 min
Jun 13, 2:28 PM CDTSevere Thunderstorm WarningOAXHarrison62 min
Jun 13, 2:45 PM CDTSevere Thunderstorm WarningOAXPottawattamie45 min
Jun 13, 3:17 PM CDTTornado WarningOAXMills28 min
Jun 13, 3:20 PM CDTTornado WarningOAXHarrison, Shelby40 min
Jun 13, 3:30 PM CDTTornado WarningOAXFremont45 min
Jun 13, 3:45 PM CDTTornado WarningOAXMills30 min
Jun 13, 4:11 PM CDTTornado WarningOAXMills, Montgomery, Pottawattamie34 min
Jun 13, 4:37 PM CDTTornado WarningOAXMontgomery23 min
Jun 13, 4:44 PM CDTSevere Thunderstorm WarningOAXMills, Pottawattamie46 min
Jun 13, 5:08 PM CDTTornado WarningOAXMontgomery37 min
Jun 13, 5:21 PM CDTSevere Thunderstorm WarningOAXHarrison54 min
Jun 13, 5:33 PM CDTSevere Thunderstorm WarningOAXFremont, Page57 min
Jun 13, 5:52 PM CDTFlash Flood WarningOAXMills4 hr
Jun 13, 6:18 PM CDTSevere Thunderstorm WarningOAXMills, Pottawattamie57 min

Nearby

Tornado Warnings in Iowa, 2000Every tornado warning in 2000Tornadoes in 2000

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.