Alert archive / Maine / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 21, NWS Caribou, ME

July 18, 20164 counties in Maine

NWS Caribou, ME issued this severe thunderstorm warning at Jul 18, 2016, 3:03 PM EDT for 4 counties in Maine. It was in force for 57 min. 6 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
Jul 18, 2016, 3:03 PM EDT (19:03 UTC)
Expired
Jul 18, 2016, 4:00 PM EDT
In force
57 min
Issued by
NWS Caribou, ME
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Hancock County, ME, Penobscot County, ME, Piscataquis County, ME, Washington County, ME

The radar

The Caribou radar (KCBW), 113 km from the middle of the area, began a volume at 19:04 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
Jul 18, 3:11 PM EDTTSTM WND DMG3 Ssw Lincoln, MEMDOT REPORTS 2 TREES DOWN ON ROUTE 155 SOUTH OF LINCOLN.
Jul 18, 3:11 PM EDTTSTM WND DMGLincoln, MEMDOT REPORTS TREE DOWN ON US 2 IN LINCOLN. TIME ESTIMATED FROM RADAR.
Jul 18, 3:18 PM EDTTSTM WND DMGLee, METREES DOWN ON WIRES. REPORT FROM SOCIAL MEDIA. TIME ESTIMATED FROM RADAR.
Jul 18, 3:30 PM EDTFUNNEL CLOUD3 Ssw Springfield, MEFUNNEL CLOUD REPORTED BY PUBLIC SOUTH OF SPRINGFIELD.
Jul 18, 3:40 PM EDTTSTM WND DMG5 Wsw Topsfield, MEMDOT REPORTS 2 TREES DOWN ON ROUTE 6 BETWEEN TOPSFIELD AND KOSSUTH TWP. TIME ESTIMATED FROM RADAR.
Jul 18, 3:45 PM EDTTSTM WND DMGCostigan, MEMILFORD FIRE DEPARTMENT REPORTS POWER LINES DOWN ON GREENFIELD ROAD. TIME ESTIMATED FROM RADAR.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 18, 11:12 AM EDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Caribou, ME (KCAR), launched 12:00Z, 7.1 hours before the alert went out and 197 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, Caribou, ME at 12:00Z on 2016-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Caribou, ME at 12:00Z on 2016-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
874 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
141 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

735 
WUUS51 KCAR 181903
SVRCAR
MEC009-019-021-029-182000-
/O.NEW.KCAR.SV.W.0021.160718T1903Z-160718T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CARIBOU ME
303 PM EDT MON JUL 18 2016

THE NATIONAL WEATHER SERVICE IN CARIBOU MAINE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN WASHINGTON COUNTY IN SOUTHEASTERN MAINE...
  NORTHEASTERN HANCOCK COUNTY IN SOUTHEASTERN MAINE...
  SOUTHEASTERN PISCATAQUIS COUNTY IN NORTH CENTRAL MAINE...
  SOUTHERN PENOBSCOT COUNTY IN EAST CENTRAL MAINE...

* UNTIL 400 PM EDT

* AT 302 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR MEDWAY TO NEAR EAST CORINTH...MOVING SOUTHEAST
  AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT WIND DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  LINCOLN...OLD TOWN...HOWLAND...MILO...MEDWAY...SPRINGFIELD...
  TOPSFIELD...LAKEVILLE...GRAND FALLS...LICOLN TOWNSHIP...
  ORNEVILLE...LAKE VIEW PLANTATION...MILFORD...ENFIELD...GREENBUSH...
  CHARLESTON...BRADFORD...LEE...ALTON AND LAGRANGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4485 6815 4499 6871 4511 6870 4509 6908
      4559 6865 4543 6775
TIME...MOT...LOC 1902Z 296DEG 37KT 4556 6846 4504 6897 

HAIL...1.00IN
WIND...60MPH
 
$$

WALKER
2 follow-up statements
892 
WWUS51 KCAR 181931
SVSCAR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CARIBOU ME
331 PM EDT MON JUL 18 2016

MEC021-181940-
/O.CAN.KCAR.SV.W.0021.000000T0000Z-160718T2000Z/
PISCATAQUIS ME-
331 PM EDT MON JUL 18 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PISCATAQUIS
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 800 PM EDT FOR
SOUTHEASTERN AND EAST CENTRAL MAINE.

LAT...LON 4485 6815 4499 6871 4511 6870 4553 6832
      4543 6775
TIME...MOT...LOC 1930Z 287DEG 41KT 4539 6799 4501 6867 

$$

MEC009-019-029-182000-
/O.CON.KCAR.SV.W.0021.000000T0000Z-160718T2000Z/
WASHINGTON ME-HANCOCK ME-PENOBSCOT ME-
331 PM EDT MON JUL 18 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR NORTHWESTERN WASHINGTON...NORTHEASTERN HANCOCK AND SOUTHEASTERN
PENOBSCOT COUNTIES...

AT 330 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES NORTHEAST OF LAKEVILLE TO NEAR INDIAN
ISLAND... MOVING EAST AT 50 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
OLD TOWN...SPRINGFIELD...TOPSFIELD...LAKEVILLE...GRAND FALLS...
LICOLN TOWNSHIP...MILFORD...ENFIELD...GREENBUSH...LEE...ALTON...
MATTAWAMKEAG...WINN...PASSADUMKEAG...BURLINGTON...LOWELL...ARGYLE...
PRENTISS...CARROLL AND AURORA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4485 6815 4499 6871 4511 6870 4553 6832
      4543 6775
TIME...MOT...LOC 1930Z 287DEG 41KT 4539 6799 4501 6867 

HAIL...1.00IN
WIND...60MPH
 
$$

FARRAR
380 
WWUS51 KCAR 181957
SVSCAR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CARIBOU ME
357 PM EDT MON JUL 18 2016

MEC009-019-029-182007-
/O.EXP.KCAR.SV.W.0021.000000T0000Z-160718T2000Z/
WASHINGTON ME-HANCOCK ME-PENOBSCOT ME-
357 PM EDT MON JUL 18 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WASHINGTON...
NORTHEASTERN HANCOCK AND SOUTHEASTERN PENOBSCOT COUNTIES WILL EXPIRE
AT 400 PM EDT...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND HAVE EXITED THE WARNED AREA. THEREFORE...THE WARNING
WILL BE ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT FOR
SOUTHEASTERN AND EAST CENTRAL MAINE.

LAT...LON 4485 6815 4499 6871 4511 6870 4553 6832
      4543 6775
TIME...MOT...LOC 1954Z 296DEG 37KT 4539 6799 4501 6867 

$$

WALKER

The office that day

Everything else NWS Caribou, ME issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 18, 5:37 AM EDTDense Fog AdvisoryCARAroostook, Hancock, Penobscot, Piscataquis, Somerset, Washington2 hr
Jul 18, 2:06 PM EDTSevere Thunderstorm WarningCARPenobscot, Piscataquis54 min
Jul 18, 2:58 PM EDTSevere Thunderstorm WarningCARPenobscot, Piscataquis62 min
Jul 18, 3:20 PM EDTSevere Thunderstorm WarningCARAroostook55 min
Jul 18, 3:21 PM EDTSevere Thunderstorm WarningCARPenobscot54 min
Jul 18, 3:34 PM EDTSevere Thunderstorm WarningCARHancock, Penobscot, Washington56 min
Jul 18, 3:43 PM EDTSevere Thunderstorm WarningCARAroostook, Penobscot, Washington47 min
Jul 18, 4:27 PM EDTSevere Thunderstorm WarningCARHancock, Penobscot, Washington63 min
Jul 18, 4:37 PM EDTSevere Thunderstorm WarningCARPenobscot23 min
Jul 18, 5:00 PM EDTSevere Thunderstorm WarningCARHancock, Penobscot30 min
Jul 18, 5:48 PM EDTTornado Warning Tornado observedCARAroostook27 min
Jul 18, 6:13 PM EDTTornado Warning Tornado observedCARAroostook32 min
Jul 18, 6:48 PM EDTSpecial Marine WarningCAR27 min

Nearby

Severe Thunderstorm Warnings in Maine, 2016Every severe thunderstorm warning 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.