Spot Forecast
Issued by NWS Chicago, IL

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary Off
Versions: 1 2 3
005
FNUS73 KLOT 041703
FWSLOT

Spot Forecast for SAR Tech testimg...Porter County Search and Rescue
National Weather Service Chicago IL
1203 PM CDT Sat May 4 2024

Forecast is based on forecast start time of 1300 CDT on May 04.
If conditions become unrepresentative, contact the National Weather
Service.

Please contact our office at (815) 834-0666 if you have questions
or concerns with this forecast.

.DISCUSSION...
Warm and dry conditions will continue through the afternoon hours
with a high temperature of 80 degrees and south winds of 5 to 10
mph. A line of gusty showers and thunderstorms will sweep into
northwestern Indiana between 8 and 10 PM central time. Note that the
gusty winds may arrive before precipitation starts with a 10 to 15
degree temperature drop.

Tonight, a cold front will move across the area causing winds to
turn northerly. A few rain showers may occur from time to time through
daybreak Sunday.

Sunday will be noticeably cooler than today with a high temperature
near 55 degrees and north winds of 10 to 15 mph. No additional rain
is expected on Sunday.

.REST OF TODAY...

Sky/weather.........Mostly sunny.
Temperature.........77 to 80 degrees.
RH..................40 to 45 percent.
Surface winds (mph).South winds 5 to 10 mph.
Chance of pcpn......0 percent.
Mixing height.......at around 5000 feet.
Transport winds.....South at around 10 mph.
Smoke dispersal.....Good /30600 knot-ft/ at forecast start.
                    Max...good /40700 knot-ft/.

TIME (CDT)      1PM 2PM 3PM 4PM 5PM
Sky (%).........13  16  20  17  14
Weather cov.....
Weather type....
Temp............77  79  80  80  80
RH..............48  45  42  42  45
Surface wnd dir.S   S   S   S   S
Surface wnd spd.7   6   6   7   7
Surface wnd gst.10  8   9   9   9
Mix hgt (kft)...4.4 4.9 5.0 5.1 4.4
Transp wind dir.180 180 190 200 210
Transp wind spd.8   8   9   9   9
Chc of pcpn (%).0   0   0   0   0
Vrate kt-ft/1K..31  34  40  41  35

.TONIGHT...

Sky/weather.........Showers and thunderstorms between 8 and 10
                    PM, followed by mostly cloudy skies and
                    sprinkles overnight.
Temperature.........Min 51.
RH..................Max 96 percent.
Surface winds (mph).South winds becoming northwest 10 to 15 mph
                    after midnight. Gusty and erratic winds may
                    occur in and around thunderstorms.
Chance of pcpn......50 percent.
Mixing height.......500 ft AGL.
Transport winds.....South 8 to 13 mph shifting to the northwest 12
                    to 13 mph in the late evening and overnight,
                    then shifting to the north 16 to 17 mph
                    overnight.
Smoke dispersal.....Fair (20700 knot-ft) early in the evening
                    decreasing to poor (4100 knot-ft) late in the
                    night.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........25  37  52  69  74  81  80  84  78  76  76  76
Weather cov.....            ISO SCT SCT SCT ISO ISO
Weather type....            RW  RW  RW  RW  RW  RW
Temp............79  75  73  71  61  61  61  60  58  55  53  52
RH..............47  54  57  63  84  90  93  87  93  96  93  93
Surface wnd dir.S   S   S   W   W   SW  W   NW  NW  N   N   N
Surface wnd spd.7   6   6   13  6   6   7   12  8   9   12  12
Surface wnd gst.10  10  12  21  10  9   13  18  14  17  20  21
Mix hgt (kft)...2.6 0.7 0.6 0.5 0.5 0.5 0.5 0.6 0.7 0.8 0.8 0.7
Transp wind dir.190 200 190 220 260 290 310 310 320 330 350 350
Transp wind spd.9   8   9   13  13  13  12  13  16  16  17  17
Chc of pcpn (%).0   20  40  50  50  40  30  20  20  20  10  10
Vrate kt-ft/1K..21  5   4   4   6   6   5   6   10  11  11  11

.SUNDAY...

Sky/weather.........Partly cloudy.
Temperature.........Max 55.
RH..................Min 61 percent.
Surface winds (mph).North winds 10 to 15 mph decreasing to around
                    10 mph late in the afternoon.
Chance of pcpn......10 percent.
Mixing height.......1600 ft AGL.
Transport winds.....North 13 to 18 mph.
Smoke dispersal.....Poor (10400 knot-ft) early in the morning
                    increasing to fair (24400 knot-ft) in the
                    afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........77  79  80  81  79  66  48  33  37  32  33  33
Weather cov.....
Weather type....
Temp............52  52  51  52  52  53  54  55  55  55  55  55
RH..............93  89  83  83  80  74  72  69  66  66  64  64
Surface wnd dir.N   N   N   N   N   N   N   N   N   N   N   N
Surface wnd spd.12  12  12  12  13  14  14  14  14  13  12  10
Surface wnd gst.20  20  20  21  21  21  20  18  17  16  15  14
Mix hgt (kft)...0.8 1.0 1.1 1.3 1.5 1.5 1.6 1.6 1.5 1.3 1.2 0.9
Transp wind dir.000 000 000 000 000 000 000 000 000 000 000 000
Transp wind spd.17  18  17  17  17  17  17  16  16  15  14  13
Chc of pcpn (%).10  10  10  10  10  10  10  0   0   0   0   0
Vrate kt-ft/1K..12  16  17  19  22  23  24  22  21  17  14  10

$$
Forecaster...Borchardt
Requested by...Micah Bell
Type of request...SAR
.TAG 2413152.0/LOT
.DELDT 05/04/24
.FormatterVersion 2.0.0