Alert archive / Idaho / Tornado Warnings in 2016

Tornado Warning 1, NWS Pocatello, ID

October 2, 20164 counties in Idaho

NWS Pocatello, ID issued this tornado warning at Oct 2, 2016, 5:11 PM MDT for 4 counties in Idaho. It was in force for 49 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, 2016, 5:11 PM MDT (23:11 UTC)
Expired
Oct 2, 2016, 6:00 PM MDT
In force
49 min
Issued by
NWS Pocatello, ID
Area
Storm-based polygon

Counties Clark County, ID, Fremont County, ID, Jefferson County, ID, Madison County, ID

The radar

The Pocatello radar (KSFX), 106 km from the middle of the area, began a volume at 23:13 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

TimeReportWhereRemark
Oct 2, 5:25 PM MDTHAIL 1Nw Roberts, ID

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Riverton, WY (KRIW), launched 12:00Z, 11.2 hours before the alert went out and 312 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.

Skew-T log-pSkew-T log-p diagram, Riverton, WY at 12:00Z on 2016-10-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 12:00Z on 2016-10-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
6 J/kg
Mixed-layer CIN
-262 J/kg
Mixed-layer LCL
1312 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
224 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

837 
WFUS55 KPIH 022311
TORPIH
IDC033-043-051-065-030000-
/O.NEW.KPIH.TO.W.0001.161002T2311Z-161003T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE POCATELLO ID
511 PM MDT SUN OCT 2 2016

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN FREMONT COUNTY IN SOUTH CENTRAL IDAHO...
  NORTHWESTERN MADISON COUNTY IN SOUTHEASTERN IDAHO...
  CENTRAL JEFFERSON COUNTY IN SOUTHEASTERN IDAHO...
  SOUTHEASTERN CLARK COUNTY IN EASTERN IDAHO...

* UNTIL 600 PM MDT
    
* AT 510 PM MDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD
  NEAR ROBERTS...OR 12 MILES WEST OF LORENZO. A TORNADO MAY DEVELOP
  AT ANY TIME. DOPPLER RADAR SHOWED THIS DANGEROUS STORM MOVING
  NORTH AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ROBERTS...HAMER...SAGE JUNCTION AND SOUTHERN SAINT ANTHONY SAND
  DUNES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING ISSUED
FOR THE SAME AREA.

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE IN A MOBILE
HOME OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...CONTACT THE
NATIONAL WEATHER SERVICE...OR YOUR NEAREST LAW ENFORCEMENT AGENCY
WHO WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
POCATELLO. THIS ACT MAY SAVE LIVES OF OTHERS IN THE PATH OF
DANGEROUS WEATHER.

&&

LAT...LON 4369 11206 4371 11220 4434 11221 4431 11184
TIME...MOT...LOC 2310Z 186DEG 32KT 4379 11211 

$$

HUSTON
2 follow-up statements
865 
WWUS55 KPIH 022339
SVSPIH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
539 PM MDT SUN OCT 2 2016

IDC065-022346-
/O.CAN.KPIH.TO.W.0001.000000T0000Z-161003T0000Z/
MADISON ID-
539 PM MDT SUN OCT 2 2016

...THE TORNADO WARNING FOR NORTHWESTERN MADISON COUNTY IS
CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT
OF THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4397 11196 4397 11220 4434 11221 4431 11184
TIME...MOT...LOC 2336Z 186DEG 32KT 4403 11208 

$$

IDC033-043-051-030000-
/O.CON.KPIH.TO.W.0001.000000T0000Z-161003T0000Z/
FREMONT ID-JEFFERSON ID-CLARK ID-
539 PM MDT SUN OCT 2 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM MDT FOR
SOUTHWESTERN FREMONT...NORTH CENTRAL JEFFERSON AND SOUTHEASTERN CLARK
COUNTIES...
    
TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD NEAR ROBERTS AT 509
PM MDT THIS EVENING. A TORNADO MAY DEVELOP AT ANY TIME. AT 536 PM
MDT...THIS DANGEROUS STORM WAS LOCATED 12 MILES SOUTHEAST OF
DUBOIS...MOVING NORTH AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
SAINT ANTHONY SAND DUNES.

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 IN A VEHICLE OR
OUTDOORS...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 NEAREST LAW ENFORCEMENT AGENCY WHO
WILL RELAY YOUR REPORT. THIS ACT MAY SAVE THE LIVES OF OTHERS IN THE
PATH OF DANGEROUS WEATHER.

&&

LAT...LON 4397 11196 4397 11220 4434 11221 4431 11184
TIME...MOT...LOC 2336Z 186DEG 32KT 4403 11208 

$$

HUSTON
209 
WWUS55 KPIH 022356
SVSPIH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
556 PM MDT SUN OCT 2 2016

IDC033-043-051-030005-
/O.EXP.KPIH.TO.W.0001.000000T0000Z-161003T0000Z/
FREMONT ID-JEFFERSON ID-CLARK ID-
556 PM MDT SUN OCT 2 2016

...THE TORNADO WARNING FOR SOUTHWESTERN FREMONT...NORTH CENTRAL
JEFFERSON AND SOUTHEASTERN CLARK COUNTIES WILL EXPIRE AT 600 PM
MDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS TO BE CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER...HEAVY
RAIN AND GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM AS
IT LIFTS NORTH TOWARD KILGORE THROUGH 630 PM MDT.
.

LAT...LON 4397 11196 4397 11220 4434 11221 4431 11184
TIME...MOT...LOC 2348Z 186DEG 32KT 4403 11208 

$$

HUSTON

The office that day

Everything else NWS Pocatello, ID issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 2, 2:13 AM MDTWind AdvisoryPIH42 hr
Oct 2, 2:27 AM MDTWinter Weather AdvisoryPIH42 hr
Oct 2, 5:44 AM MDTSpecial Weather StatementPIHBonneville, Teton61 min
Oct 2, 8:45 AM MDTSevere Thunderstorm WarningPIHFremont45 min
Oct 2, 9:07 AM MDTSpecial Weather StatementPIHButte38 min
Oct 2, 1:11 PM MDTSpecial Weather StatementPIHTeton34 min
Oct 2, 3:21 PM MDTSevere Thunderstorm WarningPIHClark, Fremont54 min
Oct 2, 3:33 PM MDTSpecial Weather StatementPIHBonneville, Teton57 min
Oct 2, 3:38 PM MDTSpecial Weather StatementPIHBingham52 min
Oct 2, 3:40 PM MDTSevere Thunderstorm WarningPIHButte, Clark, Fremont, Jefferson50 min
Oct 2, 4:01 PM MDTSpecial Weather StatementPIHFranklin44 min
Oct 2, 4:12 PM MDTSpecial Weather StatementPIHFremont48 min
Oct 2, 4:15 PM MDTSpecial Weather StatementPIHMadison45 min
Oct 2, 4:20 PM MDTSpecial Weather StatementPIHOneida55 min
Oct 2, 4:30 PM MDTSpecial Weather StatementPIHBonneville45 min
Oct 2, 4:37 PM MDTSevere Thunderstorm WarningPIHCassia, Oneida, Power38 min
Oct 2, 4:39 PM MDTSevere Thunderstorm WarningPIHBingham, Bonneville, Jefferson51 min
Oct 2, 5:31 PM MDTSevere Thunderstorm WarningPIHBingham, Bonneville, Jefferson, Madison44 min

Nearby

Tornado Warnings in Idaho, 2016Every tornado warning in 2016Tornadoes in 2016

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.