Alert archive / Iowa / Tornado Warnings in 2008
Tornado Warning 5, NWS Quad Cities, IA
NWS Quad Cities, IA issued this tornado warning at Apr 10, 2008, 6:05 PM CDT for Clark County, Scotland County, Missouri; 7 counties in Iowa. It was in force for 40 min. 3 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
- Apr 10, 2008, 6:05 PM CDT (23:05 UTC)
- Expired
- Apr 10, 2008, 6:45 PM CDT
- In force
- 40 min
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
Counties Des Moines County, IA, Henry County, IA, Jefferson County, IA, Lee County, IA, Louisa County, IA, Van Buren County, IA, Washington County, IA, Clark County, MO, Scotland County, MO
The radar
The Quad Cities radar (KDVN), 116 km from the middle of the area, began a volume at 23:08 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 |
|---|---|---|---|
| Apr 10, 6:25 PM CDT | TORNADO 1 | Stockport, IA | TIME IS APPROXIMATE. INTENSITY RATING WAS EF-1. ESTIMATED WINDS WERE 90 MPH. PATH WAS INTERMITTENT. PATH WIDTH WAS 50 YARDS WIDE. PATH LENGTH WAS 5 MI. THE PATH EXTENDED FROM 2 MI W UTICA TO 2 MI N STOCKPORT. DAMAGE TO A COUPLE OF SHEDS ON ONE FARM. DAMAGE TO |
| Apr 10, 6:25 PM CDT | TORNADO | 7 Nne Keosauqua, IA | HOUSE AND 2 MACHINE SHEDS DAMAGED ON HIGHWAY 16. TIME ESTIMATED. |
| Apr 10, 6:38 PM CDT | TORNADO | Stockport, IA | SPOTTED BY DNR OFFICER. |
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 |
|---|---|---|---|
| Jan 7, 1:52 PM CST | Tornado Watch | SPC | 146 days |
| Apr 10, 4:55 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 11.1 hours before the alert went out and 122 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 475 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 305 m²/s²
- 0-3 km storm-relative helicity
- 419 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KDVN 102306 TORDVN IAC057-087-101-111-115-177-183-MOC045-199-102345- /O.NEW.KDVN.TO.W.0005.080410T2305Z-080410T2345Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE QUAD CITIES IA IL 605 PM CDT THU APR 10 2008 THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A * TORNADO WARNING FOR... NORTHWESTERN CLARK COUNTY IN NORTHEAST MISSOURI... NORTHEASTERN SCOTLAND COUNTY IN NORTHEAST MISSOURI... NORTHWESTERN DES MOINES COUNTY IN SOUTHEAST IOWA... HENRY COUNTY IN SOUTHEAST IOWA... SOUTHEASTERN JEFFERSON COUNTY IN SOUTHEAST IOWA... NORTHWESTERN LEE COUNTY IN SOUTHEAST IOWA... SOUTHWESTERN LOUISA COUNTY IN SOUTHEAST IOWA... VAN BUREN COUNTY IN SOUTHEAST IOWA... SOUTHEASTERN WASHINGTON COUNTY IN SOUTHEAST IOWA... * UNTIL 645 PM CDT. * AT 600 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO NEAR CANTRIL...OR 9 MILES SOUTH OF KEOSAUQUA...MOVING NORTHEAST AT 40 MPH. * THE TORNADO WILL BE NEAR... KEOSAUQUA AROUND 610 PM CDT... BENTONSPORT/VERNON AND BONAPARTE AROUND 615 PM CDT... HILLSBORO AND STOCKPORT AROUND 630 PM CDT... 6 MILES NORTHWEST OF SALEM AROUND 640 PM CDT... ROME...LOCKRIDGE AND 6 MILES WEST OF MOUNT PLEASANT AROUND 645 PM CDT... THIS STORM IS ALSO CAPABLE OF PRODUCING HAIL UP TO THE SIZE OF NICKELS. THE SAFEST PLACE TO BE IN A TORNADO IS IN A BASEMENT OR INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR OF A BUILDING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING FOR SOUTHEAST IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST MISSOURI. LAT...LON 4130 9156 4114 9127 4052 9193 4063 9213 TIME...MOT...LOC 2305Z 215DEG 34KT 4065 9196 $$ NICHOLS
1 follow-up statement
000
WWUS53 KDVN 102326
SVSDVN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
626 PM CDT THU APR 10 2008
IAC087-101-111-177-102345-
/O.CON.KDVN.TO.W.0005.000000T0000Z-080410T2345Z/
LEE IA-VAN BUREN IA-JEFFERSON IA-HENRY IA-
626 PM CDT THU APR 10 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR SOUTHERN
HENRY...SOUTHEASTERN JEFFERSON...NORTHEASTERN VAN BUREN AND
NORTHWESTERN LEE COUNTIES...
AT 625 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED APPROXIMATELY NEAR
UTICA...OR 8 MILES NORTHEAST OF KEOSAUQUA...MOVING NORTHEAST AT 42
MPH.
THE TORNADO WILL BE NEAR...
HILLSBORO AND GLASGOW AROUND 635 PM CDT...
LOCKRIDGE AND 6 MILES NORTHWEST OF SALEM AROUND 640 PM CDT...
ROME...OAKLAND MILLS...6 MILES WEST OF MOUNT PLEASANT AND 7 MILES
SOUTHEAST OF FOUR CORNERS AROUND 645 PM CDT...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING
FOR SOUTHEAST IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST MISSOURI.
LAT...LON 4082 9197 4107 9176 4111 9172 4111 9170
4099 9145 4098 9145 4082 9162 4077 9166
4068 9180
TIME...MOT...LOC 2326Z 222DEG 37KT 4081 9183
$$
NICHOLSThe office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 11:33 AM CDT | River Flood Warning | DVN | Des Moines | 43 days |
| Apr 10, 11:33 AM CDT | River Flood Warning | DVN | Des Moines, Lee | 43 days |
| Apr 10, 12:07 PM CDT | Wind Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 10 more | 3 hr |
| Apr 10, 6:38 PM CDT | Tornado Warning | DVN | Iowa, Johnson, Keokuk, Washington | 37 min |
| Apr 10, 6:47 PM CDT | Tornado Warning | DVN | Des Moines | 30 min |
Nearby
Tornado Warnings in Iowa, 2008Tornado Warnings in Missouri, 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; radar from the NEXRAD Level II archive.