Alert archive / Iowa / Tornado Warnings in 2008
Tornado Warning 13, NWS Omaha, NE
NWS Omaha, NE issued this tornado warning at May 30, 2008, 12:29 AM CDT for Fremont County, Page County, Iowa. It was in force for 31 min. 2 reports 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
- May 30, 2008, 12:29 AM CDT (05:29 UTC)
- Expired
- May 30, 2008, 1:00 AM CDT
- In force
- 31 min
- Issued by
- NWS Omaha, NE
- Area
- Storm-based polygon
Counties Fremont County, IA, Page County, IA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 30, 12:40 AM CDT | TSTM WND DMG | Imogene, IA | POWER LINES BLOWN DOWN. |
| May 30, 12:45 AM CDT | TSTM WND DMG | Shenandoah, IA | POWER LINES AND TREES BLOWN DOWN. ONE HOME DAMAGED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 29, 6:43 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 5.5 hours before the alert went out and 96 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.
- Mixed-layer CAPE
- 3876 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 824 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 236 m²/s²
- 0-3 km storm-relative helicity
- 285 m²/s²
- Significant tornado parameter
- 6.4
- Supercell composite
- 26.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS53 KOAX 300529
TOROAX
IAC071-145-300600-
/O.NEW.KOAX.TO.W.0013.080530T0529Z-080530T0600Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1229 AM CDT FRI MAY 30 2008
THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN FREMONT COUNTY IN SOUTHWEST IOWA...
NORTHWESTERN PAGE COUNTY IN SOUTHWEST IOWA...
* UNTIL 100 AM CDT.
* AT 1225 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE MOST
DANGEROUS PART OF THE STORM WAS LOCATED NEAR SIDNEY...OR 26 MILES
NORTHWEST OF TARKIO...MOVING EAST AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
SHENANDOAH...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR A PIECE OF STURDY FURNITURE. IF A BASEMENT IS NOT
AVAILABLE...SEEK SHELTER ON THE LOWEST LEVEL OF THE BUILDING. GO TO
AN INTERIOR ROOM OR HALLWAY. USE BLANKETS OR PILLOWS TO COVER YOUR
BODY AND ALWAYS STAY AWAY FROM WINDOWS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT FRIDAY MORNING FOR
SOUTHWESTERN IOWA AND EASTERN NEBRASKA.
LAT...LON 4074 9534 4071 9567 4082 9566 4091 9535
4091 9534
TIME...MOT...LOC 0529Z 261DEG 26KT 4076 9562
$$
DERGAN3 follow-up statements
000
WWUS53 KOAX 300537
SVSOAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1237 AM CDT FRI MAY 30 2008
IAC071-145-300600-
/O.CON.KOAX.TO.W.0013.000000T0000Z-080530T0600Z/
FREMONT IA-PAGE IA-
1237 AM CDT FRI MAY 30 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 100 AM CDT FOR
NORTHWESTERN PAGE AND NORTHEASTERN FREMONT COUNTIES...
AT 1234 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
STORM WAS LOCATED 6 MILES EAST OF SIDNEY...OR 24 MILES NORTH OF
TARKIO...MOVING EAST AT 45 MPH.
LOCATIONS IMPACTED INCLUDE...IMOGENE AND SHENANDOAH.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT FRIDAY MORNING FOR
SOUTHWESTERN IOWA AND EASTERN NEBRASKA.
LAT...LON 4074 9534 4071 9567 4082 9566 4091 9535
4091 9534
TIME...MOT...LOC 0537Z 261DEG 39KT 4078 9549
$$
DERGAN000
WWUS53 KOAX 300546
SVSOAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1246 AM CDT FRI MAY 30 2008
IAC071-145-300600-
/O.CON.KOAX.TO.W.0013.000000T0000Z-080530T0600Z/
FREMONT IA-PAGE IA-
1246 AM CDT FRI MAY 30 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 100 AM CDT FOR
NORTHWESTERN PAGE AND NORTHEASTERN FREMONT COUNTIES...
AT 1243 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION AND A POSSIBLE
TORNADO. THIS STORM WAS LOCATED NEAR SHENANDOAH...OR 23 MILES NORTH
OF TARKIO...MOVING EAST AT 47 MPH.
THIS STORM IS MOVING INTO SHENANDOAH NOW. TAKE COVER IMMEDIATELY
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT FRIDAY MORNING FOR
SOUTHWESTERN IOWA AND EASTERN NEBRASKA.
LAT...LON 4074 9534 4071 9567 4082 9566 4091 9535
4091 9534
TIME...MOT...LOC 0546Z 266DEG 41KT 4077 9535
$$
DERGAN000
WWUS53 KOAX 300554
SVSOAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1253 AM CDT FRI MAY 30 2008
IAC071-145-300603-
/O.EXP.KOAX.TO.W.0013.000000T0000Z-080530T0600Z/
FREMONT IA-PAGE IA-
1253 AM CDT FRI MAY 30 2008
...THE TORNADO WARNING FOR NORTHWESTERN PAGE AND NORTHEASTERN FREMONT
COUNTIES WILL EXPIRE AT 100 AM...
THE WARNING WHICH WAS IN EFFECT WILL BE ALLOWED TO EXPIRE AND WILL
NOT BE REISSUED AT THIS TIME. HEAVY RAIN...SMALL HAIL AND GUSTY
WINDS ARE STILL POSSIBLE...BUT THE LEADING EDGE OF THE LINE OF
STORMS THAT PROMPTED THE TORNADO WARNING HAS MOVE EAST OF THE AREA.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT FRIDAY MORNING FOR
SOUTHWESTERN IOWA AND EASTERN NEBRASKA.
LAT...LON 4074 9534 4071 9567 4082 9566 4091 9535
4091 9534
TIME...MOT...LOC 0553Z 266DEG 41KT 4077 9524
$$
DERGANThe office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 7:13 PM CDT | Tornado Warning | OAX | Monona | 32 min |
| May 29, 7:46 PM CDT | Tornado Warning | OAX | Monona | 29 min |
| May 29, 7:57 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 33 min |
| May 29, 8:03 PM CDT | Tornado Warning | OAX | Harrison, Shelby | 27 min |
| May 29, 8:22 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona, Pottawattamie, Shelby | 23 min |
| May 29, 8:27 PM CDT | Flash Flood Warning | OAX | Monona | 5 hr |
| May 29, 8:44 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie, Shelby | 31 min |
| May 29, 9:14 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 31 min |
| May 29, 10:11 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 49 min |
| May 29, 10:51 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona, Shelby | 39 min |
| May 30, 12:51 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 39 min |
| May 30, 12:59 AM CDT | Tornado Warning | OAX | Montgomery | 20 min |
| May 30, 8:30 AM CDT | River Flood Warning | OAX | Harrison | 5 hr |
| May 30, 9:00 AM CDT | River Flood Warning | OAX | Fremont | 4 days |
| May 30, 9:18 AM CDT | River Flood Warning | OAX | Fremont | 32 hr |
| May 30, 9:27 AM CDT | River Flood Warning | OAX | Fremont | 10 hr |
Nearby
Tornado Warnings in Iowa, 2008Every tornado warning in 2008Tornadoes in 2008
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.