Alert archive / Iowa / Tornado Warnings in 2014
Tornado Warning 8, NWS Quad Cities, IA
NWS Quad Cities, IA issued this tornado warning at Apr 27, 2014, 4:43 PM CDT for Cedar County, Jones County, Linn County, Iowa. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 27, 2014, 4:43 PM CDT (21:43 UTC)
- Expired
- Apr 27, 2014, 5:15 PM CDT
- In force
- 32 min
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 1.0 in
Counties Cedar County, IA, Jones County, IA, Linn County, IA
The radar
The Quad Cities radar (KDVN), 76 km from the middle of the area, began a volume at 21:45 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 27, 2:13 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 9.7 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1230 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 467 m²/s²
- 0-3 km storm-relative helicity
- 555 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
855
WFUS53 KDVN 272143
TORDVN
IAC031-105-113-272215-
/O.NEW.KDVN.TO.W.0008.140427T2143Z-140427T2215Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
443 PM CDT SUN APR 27 2014
THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN CEDAR COUNTY IN EAST CENTRAL IOWA...
SOUTHWESTERN JONES COUNTY IN EAST CENTRAL IOWA...
SOUTHEASTERN LINN COUNTY IN EAST CENTRAL IOWA...
* UNTIL 515 PM CDT
* AT 441 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR MOUNT VERNON
...AND MOVING NORTHEAST AT 45 MPH.
HAZARD...DAMAGING TORNADO AND QUARTER SIZE HAIL.
SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.
IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS
WILL BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS
LIKELY.
* THE TORNADO WILL BE NEAR...
MORLEY AND MARTELLE AROUND 450 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4206 9139 4203 9119 4185 9133 4189 9147
TIME...MOT...LOC 2143Z 212DEG 37KT 4196 9135
TORNADO...OBSERVED
HAIL...1.00IN
$$1 follow-up statement
996 WWUS53 KDVN 272153 SVSDVN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 453 PM CDT SUN APR 27 2014 IAC031-105-113-272203- /O.CAN.KDVN.TO.W.0008.000000T0000Z-140427T2215Z/ LINN IA-CEDAR IA-JONES IA- 453 PM CDT SUN APR 27 2014 ...THE TORNADO WARNING FOR SOUTHWESTERN JONES...NORTHWESTERN CEDAR AND SOUTHEASTERN LINN COUNTIES IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF THE WARNED AREA. LAT...LON 4206 9139 4203 9119 4185 9133 4189 9147 TIME...MOT...LOC 2153Z 212DEG 37KT 4205 9127 $$
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 2:47 PM CDT | Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 27 hr |
| Apr 27, 3:13 PM CDT | Special Weather Statement | DVN | Jefferson, Van Buren | 47 min |
| Apr 27, 3:23 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Jefferson, Johnson, Keokuk, Van Buren, Washington | 67 min |
| Apr 27, 3:53 PM CDT | Tornado Warning | DVN | Iowa, Keokuk, Washington | 37 min |
| Apr 27, 4:13 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Des Moines, Henry, Johnson, Linn, Louisa and 2 more | 47 min |
| Apr 27, 4:23 PM CDT | Tornado Warning | DVN | Linn | 22 min |
| Apr 27, 4:52 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jackson, Jones, Linn, Muscatine and 1 more | 38 min |
| Apr 27, 4:57 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee, Louisa | 63 min |
Nearby
Tornado Warnings in Iowa, 2014Every tornado warning in 2014Tornadoes in 2014
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.