Alert archive / Iowa / Tornado Warnings in 2018
Tornado Warning 32, NWS Quad Cities, IA
NWS Quad Cities, IA issued this tornado warning at Sep 25, 2018, 1:28 PM CDT for Jones County, Linn County, Iowa. It was in force for 47 min. 2 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
- Sep 25, 2018, 1:28 PM CDT (18:28 UTC)
- Expired
- Sep 25, 2018, 2:15 PM CDT
- In force
- 47 min
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Jones County, IA, Linn County, IA
The radar
The Quad Cities radar (KDVN), 85 km from the middle of the area, began a volume at 18:28 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 |
|---|---|---|---|
| Sep 25, 1:29 PM CDT | TORNADO 1 | 1 S Alburnett, IA | A BRIEF HIGH END EF-1 TORNADO SNAPPED AND UPROOTED HARDWOOD TREES AT A FARMSTEAD 1 MILE SOUTH OF ALBURNETT. THE TORNADO WAS 20 YARDS WIDE ALONG ITS 0.12 MILE PATH WITH A PEAK ESTIMATED WIND SPEED OF 110 MPH. THE TORNADO WAS EMBEDDED IN A ROUGHLY QUARTER MILE W |
| Sep 25, 1:36 PM CDT | TSTM WND DMG | S Alburnett, IA | SEVERAL HEALTHY LARGE TREE BRANCHES DOWN...TIME ESTIMATED FROM 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, 6.5 hours before the alert went out and 90 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
- 47 J/kg
- Mixed-layer CIN
- -108 J/kg
- Mixed-layer LCL
- 703 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
146
WFUS53 KDVN 251828
TORDVN
IAC105-113-251915-
/O.NEW.KDVN.TO.W.0032.180925T1828Z-180925T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Quad Cities IA/IL
128 PM CDT TUE SEP 25 2018
The National Weather Service in the Quad Cities has issued a
* Tornado Warning for...
Western Jones County in east central Iowa...
Linn County in east central Iowa...
* Until 215 PM CDT.
* At 128 PM CDT, severe thunderstorms capable of producing a tornado
were located along a line extending from Alburnett to near
Hiawatha, moving east at 40 mph.
HAZARD...Tornado.
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.
* These dangerous storms will be near...
Paris around 135 PM CDT.
Central City, Coggon and Waubeek around 140 PM CDT.
Springville, Prairieburg and Whittier around 145 PM CDT.
Martelle, Viola and Stone City around 150 PM CDT.
Morley around 155 PM CDT.
Anamosa around 200 PM CDT.
Monticello and Langworthy around 205 PM CDT.
Center Junction around 210 PM CDT.
Other locations impacted by these tornadic storms include Matsell
Bridge Natural Area, Jones County Fairgrounds, Pictured Rocks
Wildlife Area, Howard H Cherry Scout Reservation, Wapsipinicon State
Park, Squaw Creek Park, Linn County Fairgrounds, Pinicon Ridge Park,
Camp Courageous and Marion Airport.
This includes Interstate 380 between mile markers 17 and 33.
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 4198 9110 4193 9172 4224 9176 4230 9139
4230 9104
TIME...MOT...LOC 1828Z 251DEG 36KT 4215 9164 4203 9165
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Gibbs5 follow-up statements
992
WWUS53 KDVN 251834 RRA
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
134 PM CDT TUE SEP 25 2018
IAC105-113-251915-
/O.CON.KDVN.TO.W.0032.000000T0000Z-180925T1915Z/
Jones IA-Linn IA-
134 PM CDT TUE SEP 25 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM CDT FOR WESTERN
JONES AND NORTHEASTERN LINN COUNTIES...
At 134 PM CDT, severe thunderstorms capable of producing tornadoes
were located along a line extending from Alburnett to near Whittier
to Marion, moving east at 45 mph.
HAZARD...Tornado.
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.
These dangerous storms will be near...
Central City and Waubeek around 140 PM CDT.
Springville, Martelle, Whittier and Viola around 145 PM CDT.
Prairieburg and Stone City around 150 PM CDT.
Anamosa around 155 PM CDT.
Monticello and Langworthy around 200 PM CDT.
Center Junction around 205 PM CDT.
Other locations impacted by these tornadic storms include Matsell
Bridge Natural Area, Jones County Fairgrounds, Pictured Rocks
Wildlife Area, Howard H Cherry Scout Reservation, Wapsipinicon State
Park, Squaw Creek Park, Linn County Fairgrounds, Pinicon Ridge Park,
Camp Courageous and Marion Airport.
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.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
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 4198 9110 4200 9164 4221 9171 4230 9139
4230 9104
TIME...MOT...LOC 1834Z 248DEG 41KT 4217 9161 4212 9156 4205 9157
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Gibbs432
WWUS53 KDVN 251843
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
143 PM CDT TUE SEP 25 2018
IAC105-113-251915-
/O.CON.KDVN.TO.W.0032.000000T0000Z-180925T1915Z/
Jones IA-Linn IA-
143 PM CDT TUE SEP 25 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM CDT FOR
NORTHWESTERN JONES AND NORTHEASTERN LINN COUNTIES...
At 143 PM CDT, severe thunderstorms capable of producing tornadoes
were located along a line extending from Central City to Waubeek to
Viola, moving east at 40 mph.
HAZARD...Tornado.
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.
These dangerous storms will be near...
Stone City around 150 PM CDT.
Anamosa and Langworthy around 200 PM CDT.
Monticello around 205 PM CDT.
Other locations impacted by these tornadic storms include Pinicon
Ridge Park, Camp Courageous, Scotch Grove, Matsell Bridge Natural
Area, Jones County Fairgrounds, Pictured Rocks Wildlife Area, Howard
H Cherry Scout Reservation, Monticello Municipal Airport, Linn
County Fairgrounds and Central 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.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
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 4208 9165 4221 9170 4230 9138 4230 9104
4212 9107
TIME...MOT...LOC 1843Z 251DEG 36KT 4220 9150 4215 9145 4208 9146
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Gibbs716
WWUS53 KDVN 251849
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
149 PM CDT TUE SEP 25 2018
IAC105-113-251915-
/O.CON.KDVN.TO.W.0032.000000T0000Z-180925T1915Z/
Jones IA-Linn IA-
149 PM CDT TUE SEP 25 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM CDT FOR
NORTHWESTERN JONES AND NORTHEASTERN LINN COUNTIES...
At 148 PM CDT, severe thunderstorms capable of producing tornadoes
were located along a line extending from near Coggon to Prairieburg
to near Waubeek, moving east at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
These dangerous storms will be near...
Monticello and Langworthy around 205 PM CDT.
Other locations impacted by these tornadic storms include Pictured
Rocks Wildlife Area, Camp Courageous, Howard H Cherry Scout
Reservation, Matsell Bridge Natural Area, Jones County Fairgrounds
and Monticello Municipal Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.
&&
LAT...LON 4212 9143 4222 9151 4227 9149 4230 9138
4230 9104 4218 9106
TIME...MOT...LOC 1848Z 250DEG 36KT 4227 9147 4222 9142 4215 9143
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Gibbs199
WWUS53 KDVN 251857 RRA
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
157 PM CDT TUE SEP 25 2018
IAC113-251907-
/O.CAN.KDVN.TO.W.0032.000000T0000Z-180925T1915Z/
Linn IA-
157 PM CDT TUE SEP 25 2018
...THE TORNADO WARNING FOR NORTHEASTERN LINN COUNTY IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
northeastern and east central Iowa.
LAT...LON 4218 9106 4213 9136 4229 9136 4230 9104
TIME...MOT...LOC 1857Z 250DEG 36KT 4230 9136 4225 9131 4218 9132
$$
IAC105-251915-
/O.CON.KDVN.TO.W.0032.000000T0000Z-180925T1915Z/
Jones IA-
157 PM CDT TUE SEP 25 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM CDT FOR
NORTHWESTERN JONES COUNTY...
At 157 PM CDT, severe thunderstorms capable of producing tornadoes
were located along a line extending from near Prairieburg to near
Langworthy to near Stone City, moving east at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
These dangerous storms will be near...
Monticello and Langworthy around 205 PM CDT.
Other locations impacted by these tornadic storms include Pictured
Rocks Wildlife Area, Camp Courageous, Jones County Fairgrounds and
Monticello Municipal Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.
&&
LAT...LON 4218 9106 4213 9136 4229 9136 4230 9104
TIME...MOT...LOC 1857Z 250DEG 36KT 4230 9136 4225 9131 4218 9132
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Gibbs705 WWUS53 KDVN 251907 SVSDVN Severe Weather Statement National Weather Service Quad Cities IA/IL 207 PM CDT TUE SEP 25 2018 IAC105-251916- /O.EXP.KDVN.TO.W.0032.000000T0000Z-180925T1915Z/ Jones IA- 207 PM CDT TUE SEP 25 2018 ...THE TORNADO WARNING FOR NORTHWESTERN JONES COUNTY WILL EXPIRE AT 215 PM CDT... The storms which prompted the warning have moved out of the warned area. Therefore, the warning will be allowed to expire. However gusty winds and heavy rain are still possible with these thunderstorms. A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for northeastern and east central Iowa. To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service the Quad Cities. Remember, a Tornado Warning still remains in effect for southern Jones County until 245 PM CDT. LAT...LON 4218 9106 4213 9136 4229 9136 4230 9104 TIME...MOT...LOC 1906Z 251DEG 36KT 4233 9125 4228 9120 4221 9121 $$ Gibbs
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 25, 12:48 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Johnson, Linn | 42 min |
| Sep 25, 1:17 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Keokuk, Washington | 43 min |
| Sep 25, 1:19 PM CDT | Tornado Warning | DVN | Henry, Louisa, Washington | 41 min |
| Sep 25, 1:28 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jackson, Johnson, Jones, Linn and 1 more | 62 min |
| Sep 25, 1:49 PM CDT | Tornado Warning | DVN | Louisa, Muscatine | 41 min |
| Sep 25, 1:51 PM CDT | Tornado Warning | DVN | Cedar, Jones | 24 min |
| Sep 25, 2:12 PM CDT | Tornado Warning | DVN | Henry, Louisa, Washington | 27 min |
| Sep 25, 2:27 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Muscatine, Scott | 63 min |
Nearby
Tornado Warnings in Iowa, 2018Every tornado warning in 2018Tornadoes in 2018
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.