Alert archive / Iowa / Tornado Warnings in 2007
Tornado Warning 19, NWS Quad Cities, IA
NWS Quad Cities, IA issued this tornado warning at Jun 22, 2007, 7:02 PM CDT for Lee County, Iowa. It was in force for 43 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
- Jun 22, 2007, 7:02 PM CDT (00:02 UTC)
- Expired
- Jun 22, 2007, 7:45 PM CDT
- In force
- 43 min
- Issued by
- NWS Quad Cities, IA
- Area
- Counties, with a storm outline in the text
County Lee County, IA
The radar
The Quad Cities radar (KDVN), 121 km from the middle of the area, began a volume at 00:06 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 22, 7:04 PM CDT | TORNADO | 10 Nw Fort Madison, IA | BRIEF TOUCHDOWN. MODERATE DAMAGE TO BARN WITH ROOF COLLAPSE. SOME TREE DAMAGE. DELAYED REPORT. |
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 |
|---|---|---|---|
| Jun 22, 1:49 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 0.0 hours before the alert went out and 126 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
- 15 J/kg
- Mixed-layer CIN
- -145 J/kg
- Mixed-layer LCL
- 795 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KDVN 230002 TORDVN IAC111-230045- /O.NEW.KDVN.TO.W.0019.070623T0002Z-070623T0045Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE QUAD CITIES IA IL 702 PM CDT FRI JUN 22 2007 THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A * TORNADO WARNING FOR... LEE COUNTY IN SOUTHEAST IOWA... * UNTIL 745 PM CDT. * AT 701 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO NEAR ST. PAUL...OR ABOUT 12 MILES NORTHWEST OF FORT MADISON...MOVING EAST AT 10 MPH. * THE TORNADO WILL BE NEAR... RURAL LEE COUNTY AT 720 PM CDT 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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY EVENING FOR EASTERN IOWA. LAT...LON 4080 9159 4069 9155 4075 9136 4081 9141 $$ MAYES
4 follow-up statements
000 WWUS53 KDVN 230012 SVSDVN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 712 PM CDT FRI JUN 22 2007 IAC111-230045- /O.CON.KDVN.TO.W.0019.000000T0000Z-070623T0045Z/ LEE IA- 712 PM CDT FRI JUN 22 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR LEE COUNTY... AT 710 PM CDT...A TORNADO WAS REPORTED. THIS TORNADO WAS LOCATED APPROXIMATELY NEAR ST. PAUL...OR ABOUT 11 MILES NORTHWEST OF FORT MADISON...MOVING EAST AT 10 MPH. THE TORNADO WILL BE NEAR... DENMARK AROUND 740 PM CDT... THE SAFEST PLACE TO BE IN A TORNADO IS IN A BASEMENT OR INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR OF A BUILDING. THIS STORM IS ALSO CAPABLE OF PRODUCING LARGE HAIL THE SIZE OF QUARTERS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY EVENING FOR EASTERN IOWA. LAT...LON 4080 9154 4070 9153 4076 9129 4081 9141 $$ MAYES
000 WWUS53 KDVN 230017 SVSDVN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 717 PM CDT FRI JUN 22 2007 IAC111-230045- /O.CON.KDVN.TO.W.0019.000000T0000Z-070623T0045Z/ LEE IA- 717 PM CDT FRI JUN 22 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR LEE COUNTY... AT 714 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED APPROXIMATELY NEAR ST. PAUL...OR ABOUT 13 MILES NORTHWEST OF FORT MADISON...MOVING EAST AT 10 MPH. THE TORNADO WILL BE NEAR... DENMARK AROUND 745 PM CDT... AT 717 PM...A FUNNEL CLOUD WAS REPORTED NEAR PILOT GROVE. THIS STORM IS ALSO CAPABLE OF PRODUCING LARGE HAIL THE SIZE OF QUARTERS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY EVENING FOR EASTERN IOWA. LAT...LON 4080 9154 4070 9153 4076 9129 4081 9141 $$ MAYES
000
WWUS53 KDVN 230030
SVSDVN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
730 PM CDT FRI JUN 22 2007
IAC111-230045-
/O.CON.KDVN.TO.W.0019.000000T0000Z-070623T0045Z/
LEE IA-
730 PM CDT FRI JUN 22 2007
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR LEE
COUNTY...
AT 727 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED APPROXIMATELY NEAR
DENMARK...OR ABOUT 8 MILES NORTH OF FORT MADISON...MOVING EAST AT 15
MPH.
THE TORNADO WILL BE NEAR...
DENMARK AND SAWYER AROUND 735 PM CDT...
AUGUSTA...SOUTH AUGUSTA AND WEVER AROUND 745 PM CDT...
THE SAFEST PLACE TO BE IN A TORNADO IS IN A BASEMENT OR INTERIOR ROOM
OR HALLWAY ON THE LOWEST FLOOR OF A BUILDING.
PLEASE REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY
EVENING FOR EASTERN IOWA.
LAT...LON 4080 9154 4070 9153 4064 9124 4070 9114
4080 9140
$$
MAYES000
WWUS53 KDVN 230044
SVSDVN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
744 PM CDT FRI JUN 22 2007
IAC111-230054-
/O.EXP.KDVN.TO.W.0019.000000T0000Z-070623T0045Z/
LEE IA-
744 PM CDT FRI JUN 22 2007
...THE TORNADO WARNING FOR LEE COUNTY EXPIRES AT 745 PM CDT...
THE SEVERE THUNDERSTORM THAT WAS CAPABLE OF PRODUCING A TORNADO HAS
WEAKENED. THEREFORE THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.
HOWEVER...THIS STORM IS STILL CAPABLE OF PRODUCING HALF INCH SIZE
HAIL NEAR DENMARK...AS WELL AS WINDS GUSTING TO AROUND 50 MPH.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY
EVENING FOR EASTERN IOWA.
LAT...LON 4080 9154 4070 9153 4064 9124 4070 9114
4080 9140
$$
MAYESThe office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 7:09 PM CDT | Flash Flood Warning | DVN | Louisa, Washington | 9 hr |
| Jun 22, 7:09 PM CDT | Flash Flood Warning | DVN | Keokuk, Louisa, Washington | 9 hr |
| Jun 22, 8:18 PM CDT | Flash Flood Warning | DVN | Henry | 9 hr |
Nearby
Tornado Warnings in Iowa, 2007Every tornado warning in 2007Tornadoes in 2007
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.