Alert archive / Iowa / Tornado Warnings in 2017
Tornado Warning 27, NWS Quad Cities, IA
NWS Quad Cities, IA issued this tornado warning at May 17, 2017, 3:38 PM CDT for Jefferson County, Keokuk County, Washington County, Iowa. It was in force for 52 min. 4 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 17, 2017, 3:38 PM CDT (20:38 UTC)
- Expired
- May 17, 2017, 4:30 PM CDT
- In force
- 52 min
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Jefferson County, IA, Keokuk County, IA, Washington County, IA
The radar
The Quad Cities radar (KDVN), 132 km from the middle of the area, began a volume at 20:41 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 |
|---|---|---|---|
| May 17, 4:20 PM CDT | TSTM WND DMG | 1 E Rubio, IA | TIME ESTIMATED - SEVERAL TREES DAMAGED. BOARDS BLOWN OFF RAILROAD WALKWAY, GROUND COVERED WITH LEAVES |
| May 17, 4:20 PM CDT | TSTM WND DMG | Wellman, IA | TIME ESTIMATED - OUTBUILDINGS, SHED, WINDOWS AND ROOFS DAMAGED |
| May 17, 4:20 PM CDT | TORNADO | 1 Ese Richland, IA | TORNADO MOVED NORTHEAST INTO WASHINGTON COUNTY. |
| May 17, 4:40 PM CDT | TSTM WND DMG | Wellman, IA | ROOF OFF A SHED, A GARAGE, A HOG BUILDING AND A HORSE SHED. ANOTHER GARAGE TORN OFF A HOUSE. TREES AND POWER LINES DOWN. LARGE TREE DOWN ON A ROAD. TIME ESTIMATED BY RADAR. |
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 12:00Z, 8.6 hours before the alert went out and 138 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
- 103 J/kg
- Mixed-layer CIN
- -348 J/kg
- Mixed-layer LCL
- 1223 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
066
WFUS53 KDVN 172038
TORDVN
IAC101-107-183-172130-
/O.NEW.KDVN.TO.W.0027.170517T2038Z-170517T2130Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Quad Cities IA/IL
338 PM CDT WED MAY 17 2017
The National Weather Service in the Quad Cities has issued a
* Tornado Warning for...
Eastern Keokuk County in southeastern Iowa...
Northwestern Washington County in southeastern Iowa...
Northwestern Jefferson County in southeastern Iowa...
* Until 430 PM CDT
* At 338 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Abingdon, or 9 miles northwest of Fairfield,
moving north at 45 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Richland around 350 PM CDT.
Harper around 405 PM CDT.
Kinross around 415 PM CDT.
Wellman around 420 PM CDT.
Other locations impacted by this tornadic thunderstorm include Ollie,
Brookville, Keota, Linby, Lancaster, Talleyrand, Pekin, Rubio and
Lake Belva Deer Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4151 9213 4151 9177 4099 9202 4102 9218
4116 9218 4116 9222
TIME...MOT...LOC 2038Z 199DEG 37KT 4108 9211
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
Gibbs2 follow-up statements
885
WWUS53 KDVN 172041 RRA
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
341 PM CDT WED MAY 17 2017
IAC101-107-183-172130-
/O.CON.KDVN.TO.W.0027.000000T0000Z-170517T2130Z/
Keokuk IA-Washington IA-Jefferson IA-
341 PM CDT WED MAY 17 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR EASTERN
KEOKUK...NORTHWESTERN WASHINGTON AND NORTHWESTERN JEFFERSON
COUNTIES...
At 341 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Packwood, or 9 miles northwest of Fairfield, moving
north at 45 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Richland around 350 PM CDT.
Harper around 405 PM CDT.
Kinross around 415 PM CDT.
Wellman around 420 PM CDT.
Other locations impacted by this tornadic thunderstorm include Ollie,
Keota, Linby, Lancaster, Talleyrand, Pekin, Rubio and Lake Belva Deer
Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.
&&
LAT...LON 4151 9213 4151 9177 4106 9199 4107 9218
4116 9218 4116 9222
TIME...MOT...LOC 2041Z 199DEG 38KT 4112 9209
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
Gibbs778
WWUS53 KDVN 172107
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
407 PM CDT WED MAY 17 2017
IAC101-107-183-172130-
/O.CON.KDVN.TO.W.0027.000000T0000Z-170517T2130Z/
Keokuk IA-Washington IA-Jefferson IA-
407 PM CDT WED MAY 17 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR EASTERN
KEOKUK...NORTHWESTERN WASHINGTON AND NORTHWESTERN JEFFERSON
COUNTIES...
At 407 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Kinross, or 13 miles northwest of Washington, moving
northeast at 45 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Wellman around 420 PM CDT.
Other locations impacted by this tornadic thunderstorm include Ollie,
Keota, Linby, Lancaster, Talleyrand, Pekin, Rubio and Lake Belva Deer
Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.
&&
LAT...LON 4151 9213 4151 9177 4106 9199 4107 9218
4116 9218 4116 9222
TIME...MOT...LOC 2107Z 207DEG 39KT 4138 9192
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
GibbsThe office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 1:23 AM CDT | Special Weather Statement | DVN | Benton, Buchanan, Delaware, Iowa, Johnson, Jones and 3 more | 37 min |
| May 17, 8:50 AM CDT | Special Weather Statement | DVN | Scott | 25 min |
| May 17, 3:16 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Linn | 43 min |
| May 17, 3:36 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jones, Linn | 54 min |
| May 17, 3:45 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee, Van Buren | 30 min |
| May 17, 3:49 PM CDT | Tornado Warning | DVN | Henry, Jefferson, Van Buren, Washington | 41 min |
| May 17, 3:55 PM CDT | Tornado Warning | DVN | Des Moines, Henry, Lee, Louisa, Van Buren | 50 min |
| May 17, 4:23 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson, Washington | 44 min |
| May 17, 4:40 PM CDT | Tornado Warning | DVN | Des Moines, Henry, Louisa, Muscatine | 50 min |
| May 17, 5:03 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Keokuk | 57 min |
| May 17, 5:24 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Muscatine, Scott | 30 min |
| May 17, 5:39 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Keokuk, Van Buren, Washington | 66 min |
| May 17, 5:50 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Delaware, Iowa, Johnson, Linn and 1 more | 55 min |
| May 17, 5:54 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Van Buren | 51 min |
| May 17, 6:01 PM CDT | Tornado Warning | DVN | Henry, Jefferson, Lee, Van Buren | 59 min |
| May 17, 6:19 PM CDT | Tornado Warning | DVN | Johnson, Louisa, Washington | 41 min |
| May 17, 6:28 PM CDT | Flash Flood Warning | DVN | Johnson, Linn | 3 hr |
| May 17, 6:31 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Cedar, Clinton, Delaware, Dubuque, Jackson and 5 more | 59 min |
| May 17, 6:32 PM CDT | Tornado Warning | DVN | Delaware, Dubuque, Jones, Linn | 43 min |
| May 17, 6:38 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Louisa, Muscatine, Washington | 52 min |
| May 17, 6:48 PM CDT | Tornado Warning | DVN | Cedar, Johnson, Muscatine | 42 min |
Nearby
Tornado Warnings in Iowa, 2017Every tornado warning in 2017Tornadoes in 2017
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.