Severe Thunderstorm Warning 147, NWS Charleston, WV

AREA FORECAST DISCUSSION
National Weather Service Charleston WV
824 PM EDT Sat Jun 29 2024

.SYNOPSIS...
Very warm and humid, with strong, heavy storms possible tonight
into Sunday. A cold front brings an end to threat Sunday
afternoon. Dry to start the week, becoming hot again Tuesday.

&&

.NEAR TERM /THROUGH SUNDAY/...
As of 820 PM Sunday...

Convection associated with a series of mid-level short wave
troughs along the southern edge of the westerlies, ahead of a
cold front back across the Great Lakes and Midwest, was
gradually waning in intensity. Severe Thunderstorm Watch 483
could be let go a bit early if this trend continues.

However, very warm and humid air in place, evinced by 8 PM
temperatures still up around 90 F across southern portions of
the lowlands, not affected by thunderstorms yet today, dew
points in the lower 70s, and PW values in the 2-2.25 inch range,
will support convection on through the night tonight, along
with the locally heavy rainfall threat.

The heavy rain threat could be realized via repetitive storms
north where motion is faster, and slower moving storms south of
the southern edge of the westerlies, as evinced by one such
cell just west of the forecast area and just south of the Ohio
River, around 8 PM this evening.

Temperatures were raised tonight to reflect the very warm to hot
conditions this evening.

As of 440 PM Saturday...

Isolated strong to severe thunderstorms in north central WV have
warranted inclusion of this area in Severe Thunderstorm Watch
483, which extends eastward through the WV and MD panhandles.

The storms were the tail end of a line of storms that extended
northeastward through PA, and into a more general area of
showers in eastern NY and New England, all along a mid-level
short wave trough axis. Northern WV was at the southern edge of
this axis/westerlies and better deep layer shear. Strong heating
continued downstream of these storms amid sunshine.

That portion of the watch in our county warning area being the
tail end of it, it may not quite be needed all the way up until
its 02Z/10 PM EDT expiration time.

As of 140 PM Saturday...

Key Point:
* Severe storms and heavy downpours possible this afternoon
  and evening.

A few showers and storms are possible early this afternoon, then a
more organized line of convection is expected to arrive by late
afternoon and trudge east across the area through the evening while
a shortwave passes overhead and a cold front approaches from the
west.

Moisture will feed into the area out ahead of the front, allowing
precipitable water values to climb to 2 to 2.25 inches by the end of
the day. Such high moisture should support heavy downpours which
could create a few localized flooding issues in poor drainage or low-
lying areas. Along with moisture, daytime heating will contribute to
increasingly unstable conditions. During the late afternoon and
evening, moderate to strong instability is expected to support
isolated to scattered severe storms. The environment will be most
favorable for a damaging wind threat; however, there is also a low
(2-4%) risk for tornadoes in the northern third of the CWA.

At least a few showers and storms may persist overnight amid warm
and muggy conditions. On Sunday, more showers and storms form
ahead of and along the cold front -- which is expected to reach
southeast Ohio in the morning and then sweep east across the
CWA. A stronger storm or two could be possible during the
frontal passage, then precipitation should gradually taper off
from west to east behind the front during the latter half of the
day.

&&

.SHORT TERM /SUNDAY NIGHT THROUGH MONDAY NIGHT/...
As of 100 PM Saturday...

The beginning of the new calendar month opens up with pleasant
weather in the wake of the weekend frontal passage. A brief
reprieve from the overbearing temperatures and dry weather will
arrive in the form of high pressure spreading over the Ohio
Valley. Afternoon highs are progged to only reach the upper 70s
in the central lowlands and the 60s along the mountains.

&&

.LONG TERM /TUESDAY THROUGH SATURDAY/...
As of 100 PM Saturday...

Upper level ridging will continue to support dry weather on
Tuesday, with temperatures returning to seasonable for this time
of year.Pressure height rises will translate into a rise in
temperatures beginning on Tuesday and heading into highs
extending into the 90s across the lower elevations. The ridge
begins to flatten and sink down into the southern half of the
country on the 4th of July, making way for a frontal boundary
and its associated line of showers and storms. Models remain on
track with this boundary struggling to surpass the forecast area
on Thursday, becoming stationary over the area for the end of
the week. Maintained central guidance chance to likely POPs for
this timeframe, and held onto convection even during the
overnight hours due to the persnickety front hanging about
during the holiday weekend.

&&

.AVIATION /00Z SUNDAY THROUGH THURSDAY/...
As of 820 PM Saturday...

Showers and thunderstorms will continue to be in the area
until a cold front crosses on Sunday. While the intensity of
the strongest storms will diminish, the very warm and humid air
in place will support thunderstorm development/maintenance
throughout the night. Even sub-severe, any thunderstorm tonight
into Sunday can produce strong wind gusts, and IFR to brief
VLIFR conditions.

The cold front should cross the area from west to east Sunday
afternoon, although there will be a prefrontal wind shift west
to east Sunday morning, with MVFR stratocumulus settling in
even before dawn Sunday. This stratocu will gradually lift and
break up from west to east Sunday afternoon.

The threat for thunder on Sunday will be low and diminishing,
except for a slight uptick in the threat over the southern
mountains /BKW/ Sunday afternoon.

Light south to southwest surface flow tonight, except strong
and gusty from the southwest to northwest in thunderstorms, will
become light west behind the prefrontal wind shift Sunday
morning, and then light northwest behind the cold front Sunday
afternoon.

FORECAST CONFIDENCE AND ALTERNATE SCENARIOS THROUGH 00Z
MONDAY...

FORECAST CONFIDENCE: Medium.

ALTERNATE SCENARIOS: Coverage of storms tonight into Sunday may
vary from the forecast. Amendments may be needed for lower flight
category within storms or heavy rain. IFR ceilings are possible
along the mountains Sunday morning.

EXPERIMENTAL TABLE OF FLIGHT CATEGORY OBJECTIVELY SHOWS CONSISTENCY
OF WFO FORECAST TO AVAILABLE MODEL INFORMATION:
H = HIGH:   TAF CONSISTENT WITH ALL MODELS OR ALL BUT ONE MODEL.
M = MEDIUM: TAF HAS VARYING LEVEL OF CONSISTENCY WITH MODELS.
L = LOW:    TAF INCONSISTENT WITH ALL MODELS OR ALL BUT ONE MODEL.

UTC 1HRLY       21   22   23   00   01   02   03   04   05   06   07   08
EDT 1HRLY       17   18   19   20   21   22   23   00   01   02   03   04
CRW CONSISTENCY  H    H    H    H    H    H    H    H    H    H    H    M
HTS CONSISTENCY  H    H    H    H    H    H    H    H    H    H    H    H
BKW CONSISTENCY  H    H    H    H    H    H    H    H    H    H    H    H
EKN CONSISTENCY  H    H    H    H    H    H    H    H    H    H    H    H
PKB CONSISTENCY  H    H    H    H    H    H    H    H    H    H    H    M
CKB CONSISTENCY  H    H    M    H    H    H    H    H    H    H    H    H

AFTER 00Z MONDAY...
IFR possible in stratus, at least in and near the mountains,
overnight Sunday night into Monday morning. Brief IFR possible
in showers and thunderstorms Thursday.

&&

.RLX WATCHES/WARNINGS/ADVISORIES...
WV...None.
OH...None.
KY...None.
VA...None.

&&

SYNOPSIS...MEK/TRM/JLB
NEAR TERM...TRM/JLB
SHORT TERM...MEK
LONG TERM...MEK
AVIATION...TRM

Hazardous Weather Outlook
National Weather Service Charleston WV
425 PM EDT Sat Jun 29 2024

WVZ008-016>020-028>032-039-040-521-522-525-526-302030-
Jackson WV-Roane-Wirt-Calhoun-Ritchie-Doddridge-Braxton-Gilmer-Lewis-
Harrison-Taylor-Upshur-Barbour-Northwest Webster-Southeast Webster-
Northwest Randolph-Southeast Randolph-
425 PM EDT Sat Jun 29 2024

...SEVERE THUNDERSTORM WATCH 483 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

This Hazardous Weather Outlook is for portions of central,
northeast and northern West Virginia.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Severe Thunderstorm Watch.

Isolated flash flooding is also possible.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Thunderstorms Sunday could become severe, especially in the
afternoon.

Isolated flash flooding is also possible Sunday.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions by calling the toll-free spotter hotline, or by other
methods detailed at www.weather.gov/rlx/reports.

KYZ101>103-105-OHZ066-067-075-076-083>087-VAZ003-004-WVZ005>007-
009>011-013>015-024>027-033-034-515>520-523-524-302030-
Greenup-Carter-Boyd-Lawrence KY-Perry-Morgan-Athens-Washington-
Jackson OH-Vinton-Meigs-Gallia-Lawrence OH-Dickenson-Buchanan-Wayne-
Cabell-Mason-Wood-Pleasants-Tyler-Lincoln-Putnam-Kanawha-Mingo-Logan-
Boone-Clay-McDowell-Wyoming-Northwest Raleigh-Southeast Raleigh-
Northwest Fayette-Southeast Fayette-Northwest Nicholas-
Southeast Nicholas-Northwest Pocahontas-Southeast Pocahontas-
425 PM EDT Sat Jun 29 2024

This Hazardous Weather Outlook is for northeast Kentucky, southeast
Ohio, southwest Virginia and much of West Virginia.

.DAY ONE...Tonight.

Thunderstorms this afternoon into late evening could become severe.

Isolated flash flooding is also possible.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Thunderstorms Sunday could become severe, especially in the
afternoon.

Isolated flash flooding is also possible Sunday.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions by calling the toll-free spotter hotline, or by other
methods detailed at www.weather.gov/rlx/reports.

TRM

Preliminary Local Storm Report
National Weather Service Charleston WV
857 PM EDT Sat Jun 29 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0719 PM     Tstm Wnd Dmg     3 SSW Salem             39.25N 80.59W
06/29/2024                   Doddridge          WV   911 Call Center

            Trees down along Clark Farm Rd. Time
            estimated from radar.

&&

Preliminary Local Storm Report
National Weather Service Charleston WV
901 PM EDT Sat Jun 29 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0707 PM     Tstm Wnd Dmg     1 ENE West Union        39.30N 80.76W
06/29/2024                   Doddridge          WV   911 Call Center

            Large limb blocking half the roadway on Rock
            Run Rd.

&&

Special Weather Statement
National Weather Service Charleston WV
911 PM EDT Sat Jun 29 2024

KYZ101-103-OHZ086-087-WVZ005-300145-
Boyd KY-Greenup KY-Gallia OH-Lawrence OH-Wayne WV-
911 PM EDT Sat Jun 29 2024

...STRONG THUNDERSTORMS WILL IMPACT NORTHERN BOYD...SOUTHERN
GREENUP...SOUTHERN GALLIA...LAWRENCE AND NORTHWESTERN WAYNE COUNTIES
THROUGH 945 PM EDT...

At 910 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Wheelersburg to near Greenup to near
Greenbo Lake. Movement was east at 35 mph.

HAZARD...Wind gusts up to 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Huntington, Ashland, Ironton, Gallipolis, Coal Grove, Chesapeake,
Cannonsburg, Lake Vesuvius, Kenova, Catlettsburg, Ceredo, Greenup,
Princess, Coalton, Greenbo Lake, Oldtown, Naples, Franklin Furnace,
Flatwoods, and South Point.

This includes the following highways...
 Interstate 64 in Kentucky between mile markers 185 and 191.
 Interstate 64 in West Virginia between mile markers 1 and 6.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3860 8287 3864 8286 3860 8285 3857 8282
      3860 8274 3865 8277 3868 8276 3868 8270
      3875 8270 3875 8266 3881 8265 3884 8220
      3856 8229 3842 8246 3841 8251 3840 8249
      3834 8256 3842 8301 3847 8306
TIME...MOT...LOC 0110Z 274DEG 31KT 3873 8275 3860 8280 3849 8295

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

JMC

Preliminary Local Storm Report
National Weather Service Charleston WV
916 PM EDT Sat Jun 29 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0407 PM     Tstm Wnd Dmg     5 SSW Pullman           39.12N 81.00W
06/29/2024                   Ritchie            WV   911 Call Center

            Tree down with power lines on Smiths Run Rd.
            in Harrisville. Time estimated from radar.

&&

Preliminary Local Storm Report
National Weather Service Charleston WV
927 PM EDT Sat Jun 29 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0400 PM     Tstm Wnd Dmg     1 ENE West Union        39.30N 80.76W
06/29/2024                   Doddridge          WV   911 Call Center

            Corrects previous tstm wnd dmg report time
            from 1 ENE West Union. Large limb blocking
            half the roadway on Rock Run Rd.

&&

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