Alert archive / Iowa / Tornado Warnings in 2007
Tornado Warning 28, NWS Quad Cities, IA
NWS Quad Cities, IA issued this tornado warning at Oct 2, 2007, 7:58 PM CDT for Cedar County, Clinton County, Iowa. It was in force for 22 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
- Oct 2, 2007, 7:58 PM CDT (00:58 UTC)
- Expired
- Oct 2, 2007, 8:20 PM CDT
- In force
- 22 min
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
Counties Cedar County, IA, Clinton County, IA
The radar
The Quad Cities radar (KDVN), 45 km from the middle of the area, began a volume at 00:59 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 |
|---|---|---|---|
| Oct 2, 8:00 PM CDT | TSTM WND DMG | 6 W Tipton, IA | SHED BLOWN DOWN 6 W OF TIPTON 10 SOUTH OF MECHANICSVILLE. TIME ESTIMATED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 1.0 hours before the alert went out and 50 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
- 318 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 873 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 294 m²/s²
- 0-3 km storm-relative helicity
- 521 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS53 KDVN 030058
TORDVN
IAC031-045-030145-
/O.NEW.KDVN.TO.W.0028.071003T0058Z-071003T0145Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
758 PM CDT TUE OCT 2 2007
THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A
* TORNADO WARNING FOR...
CEDAR COUNTY IN EAST CENTRAL IOWA...
CLINTON COUNTY IN EAST CENTRAL IOWA...
* UNTIL 845 PM CDT.
* AT 755 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO 6 MILES WEST OF TIPTON...MOVING NORTHEAST AT 40 MPH.
* THE TORNADO WILL BE NEAR...
TIPTON AROUND 805 PM CDT...
CLARENCE AROUND 815 PM CDT...
LOWDEN AROUND 820 PM CDT...
TORONTO AROUND 825 PM CDT...
LOST NATION AROUND 835 PM CDT...
6 MILES NORTHWEST OF DELMAR AROUND 845 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.
LAT...LON 4164 9124 4179 9135 4196 9099 4195 9091
4200 9090 4202 9086 4200 9050
TIME...MOT...LOC 0058Z 233DEG 36KT 4177 9120
$$
121 follow-up statement
000
WWUS53 KDVN 030120
SVSDVN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
817 PM CDT TUE OCT 2 2007
IAC031-045-030127-
/O.CAN.KDVN.TO.W.0028.000000T0000Z-071003T0145Z/
CLINTON IA-CEDAR IA-
817 PM CDT TUE OCT 2 2007
...THE TORNADO WARNING FOR CEDAR AND CLINTON COUNTIES IS CANCELLED...
THE THUNDERSTORM THAT WAS CAPABLE OF PRODUCING A TORNADO HAS
WEAKENED AND LOST ITS ROTATION. THEREFORE THE TORNADO WARNING HAS
BEEN CANCELLED.
HOWEVER...THIS STORM IS STILL CAPABLE OF PRODUCING WIND GUSTS UP TO
40 MPH.
LAT...LON 4164 9124 4179 9135 4196 9099 4195 9091
4200 9090 4202 9086 4200 9050
TIME...MOT...LOC 0117Z 233DEG 36KT 4188 9100
$$
12The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 2, 7:22 PM CDT | Tornado Warning | DVN | Johnson | 38 min |
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.